The magnitude e of the electric field be if the charge is to hit the target on the screen is E = mv₀²yh/0.5qL².
Charge's speed in the x direction is equal to v₀.
The charge's time to reach the screen at a distance L, t = L/v₀
F = qE = ma, which is the force on the charge
When the two equations are equalized, force ma = qE/m and charge a = qE/m
The charge's initial velocity in the y-direction is o, and the vertical distance it covers is given by the equations
y = 0.5 (qE/m) (L/v₀)
y = 0.5qL²E/mv² and y = 0.5at².
If the target on the screen is the charge's intended target, y = yh
yh = 0.5qL²E/mv²
Making E the formula's subject, the following is the size of the electric field:
E = mv₀²yh/0.5qL².
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a child is sliding down a hill with a velocity of zero, and 3 seconds later he is speeding down the hill at 12 meters per second. what is the child's acceleration?
The acceleration of the child is 4 m/s², if the initial velocity of the child is zero and velocity after 3 second is 12 m/sec.
Starting velocity of the child, u = 0
Final velocity of the child, v = 12 m/s
Let the acceleration = a
Time taken to achieve final velocity, t = 3 seconds
First equation of motion describes the relation between the uniform velocity(u), final velocity(v), accelerartion(a) and the time(t).
v = u + at
12 = 0 + a× 3
a = 12/3
a = 4 m/sec²
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A client completed 2 or more repetitions in the last 2 consecutive workouts. Which of the following indicates the client needs a load progression?Henneman's principleKarvonen formula2-for-2 ruleHarris-Benedict equation
The 2-for-2 rule indicates that the client needs a load progression.
According to the 2-for-2 rule, if a client completes 2 or more repetitions in the last 2 consecutive workouts for a given exercise, it is time to progress the load.
This means that the client is ready to increase the weight used in the exercise to continue to challenge their muscles and make progress.
Henneman's principle, Karvonen's formula, and Harris-Benedict's equation are not directly related to load progression. Henneman's principle is a principle that explains how the size of muscle fibers affects muscle strength and function.
The Karvonen formula is a method of calculating heart rate training zones based on the individual's maximum heart rate. The Harris-Benedict equation is a method used to estimate the number of calories an individual needs to consume each day to maintain their current weight.
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based on these units, select any of the following expressions that could be valid expressions?
Hint 1. Consistent units The left-hand side and the right-hand side of any equation must have the same units. For example, only a quantity measured in meters can be equal to another quantity measured in meters. Just as you can't compare apples and oranges, you can't compare meters and seconds. To see it an equation is consistent, substitute in the units of all of the terms in the equation. If the two sides of the equation have the same units, the equation may express some valid physical relationship
o v=a/t
o t=3√d2/va
o d=at
o a=d/t2
o a=√vd/t3
o v=at
Yes, that is correct. Consistent units in an equation ensure that the equation expresses a valid physical relationship by ensuring that the units of measurement , the equation is considered consistent and may express a valid physical relationship.
Consistent units refers to the requirement that the units of measurement on both sides of an equation must be the same. This ensures that the equation expresses a valid physical relationship. In the examples provided, v=a/t, t=3√d2/va, d=at, a=d/t2, a=√vd/t3, and v=at all have consistent units, as the units on both sides of the equation are the same.
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A 1.0-cm tall object is 60 cm in front of a diverging lens that has a -30 cm focal length.
a) Use ray tracing to find the position and height of the image. To do this accurately, use a ruler or paper with a grid. Determine the image distance and image height by making measurements on your diagram.
b) Calculate the image position and height using the thin lens and magnification equations. Compare with your ray-tracing answers in a).
given
h = 1.0 cm
object distance, u = 60 cm
focal length, f = -30 cm
let v is the image distance.
a) Ray diagram
(image below the answer)
b)
use, 1/u + 1/v = 1/f
1/v = 1/f - 1/u
1/v = 1/(-30) - 1/60
v = -20 cm (image distance)
magnification, m -v/u
= -(-20)/60
= 0.333
image height = m*object height
= 0.33*1
= 0.33 cm
What is ray tracing?
Ray tracing is a rendering technique used in 3D computer graphics to create detailed and realistic images. It works by tracing the path of light from the eye of the viewer through each pixel in the image and calculating the color of the pixel based on the objects in the scene and their interaction with that light. Ray tracing can produce highly realistic images, including reflections, refractions, and shadows, while also providing a level of accuracy and speed not possible with traditional rendering methods.
Therefore, the image distance is -20 cm and image height is 0.33 cm
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Scout feels ill one day before school. Her mother puts a thermometer in her mouth and the temperature begins to climb to 100°F. What is happening between the cooler thermometer and Scout's body? A) Scout's body is applying a force to the particles in the thermometer. B) Kinetic energy is being transferred from her mouth to the thermometer. C) Potential energy is being lost by the thermometer and gained by Scout's body. D) The potential energy stored in foods is converted to mechanical energy to raise the mercury in the thermometer
Kinetic energy is being transferred from her mouth to the thermometer.
When Scout feels ill and her mother uses a thermometer, her body temperature is being measured. The thermometer contains mercury, which is a liquid at room temperature.
When Scout's body temperature is higher than the thermometer, kinetic energy is transferred from her body to the thermometer. This causes the mercury to expand and rise in the thermometer, indicating an increase in body temperature.
This type of thermometer works on the principle of thermoelectric expansion, where the temperature of a substance is determined by measuring the change in its length or volume due to a change in temperature.
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Going downhill a driver applies brakes to keep a constant speed. the potential energy of the car is decreasing while the kinetic energy is constant. explain where the energy is going
The energy from the potential energy of the car is converted into thermal energy (heat) due to the friction caused by the brakes, which slows down the car.
The kinetic energy of the car remains constant because the speed of the car is being maintained.
What is energy?Energy is seen as a quantifiable property in physics that may be transferred from an item to carry out work. Thus, we might characterize energy as the capacity to engage in any kind of physical action.
As a result, the simplest way to describe energy is as the capacity for work.
The energy conversions in the problem is as described
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a 1200 kilogram car traveling at 10 meters per second hits a tree and is brought to rest in 0.10 second. what is the magnitude of the average force pdf
The magnitude of the average force is 120,000 N.
Describe force.A factor is an effect that has the power to alter an object's motion. An object with mass can change its velocity, or accelerate, as a result of a force. An obvious way to describe force is as a push or even a pull. A force is a vector quantity since it has either magnitude and direction.
Determine the car's acceleration when it is stopping: take the car in the + direction
v = u + at
0 = 10m/s + a*0.1
0.1a = -10m/s
a = -1000 m/s^2
a = 100m/s^2 in opposite direction to direction of car
F = m*a
F = 1200kg * -100m/s^2
F = -120,000 N
Force = 120,000 N in opposite direction to direction of car
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the coefficient of static friction between teflon and scrambled eggs is about 0.030. what is the smallest angle from the horizontal that will cause the eggs to slide across the bottom of a teflon-coated skillet?
The smallest angle of friction that will cause a to slip on a scrambled egg will be 1.43.
What is a straightforward definition of friction?When two bodies in contact move in relation to one another, friction, a resistive force, arises. friction factors Between-body surface adhesion: When two materials are in close proximity to one another, a molecular force called adhesion is created.
The coefficient of static friction between
Teflon and scrambled eggs μ = 0.025
if the angle required angle is θ then
μ = tan θ
θ = tan inverse ( μ )
= tan -1 ( 0.025 )
=1.43 degrees.
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) identify the type of solar radiation that is absorbed by stratospheric ozone and describe one human health benefit that results from the absorption of this solar energy.
Radiation that has been absorbed is ultraviolet radiation. Lower incidences of skin cancer, eye damage, and sunburns are all benefits to human health.
What particular solar radiation is absorbed by stratospheric ozone?Ultraviolet (UV) energy from the sun is filtered by stratospheric ozone, a naturally occurring gas. Since it lessens the negative effects of ultraviolet (UV-B) light, this is commonly referred to as "good" ozone.
Ozone in the stratosphere absorbs which of the following?A fraction of the solar radiation is blocked from reaching the planet's surface by the ozone layer in the stratosphere. The UVB part of UV radiation is what it absorbs most significantly. The ultraviolet light known as UVB, which is produced by the sun and sunlamps, has a number of negative effects.
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during an automobile crash test, the average force exerted by a solid wall on a 2,200 kg car that hits the wall is measured to be 140,000 n over a 0.12 s time interval. what was the initial speed of the car (in m/s) prior to the collision, assuming the car is at rest at the end of the time interval?
Based on the question posed during a vehicle crash test The vehicle's pre-collision speed is 7.63 meters a second.
What do starting and final velocity mean?When gravity first exerts force on an item, its initial velocity indicates how quickly the thing moves. The total momentum, on the other hand, is a vector number that gauges a traveling body's speed and direction after it has attained its utilize high.
Force exerted on the wall, F = 140,000 N
time of contact, t = 0.12 s
final speed of the car = 0 m/s
initial speed of the car = ?
we know,
Impulse is equal to change in momentum
J = m v- mu
J = 2200 x 0 - 2200 x (-u)
J = 2200 u
impulse is also equal to force into time
J = F x t
equating both equation of impulse
2200u = F x t
2200 u = 140000 x 0.12
2200 u = 16800
u = 7.63 m/s
Speed of the car before collision is equal to 7.63 m/s
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A 400 Kg car has 1.8 x 10^5 J of kinetic energy. How fast is it moving?
Explanation:
[tex]e = \frac{1}{2} m {v}^{2} \\ 1.8 \times {10}^{5} = (400\div 2) {v}^{2} \\ v = \sqrt{1.8 \times {10}^{5} \div (400 \div 2)} [/tex]
if a clay boat weighs .005 kg and is flisting, what is the upward force the water is exerting on the boat?
Answer: Force = 0.05N
Explanation: As the clay boat is floating therefore the upward force that the water is exerting on boat is equal to the weight of the boat, so they remain in vertical equilibrium⇒ net downward force = net upward force.
Mass of the boat (M) = 0.005 kg
Gravitational acceleration = 10 m/[tex]s^{2}[/tex]
Upward force = Weight of the boat = M×g = 0.005× 10 = 0.05 N
Which form of heat transfer occurs through fluid motions?
"The type of heat transfer that occurs through fluid motions is known as convection."
Convection, which is the extensive movement of molecules within gases and liquids, is the mechanism through which heat is transported. Conduction is used to move heat from the object to the fluid initially, but fluid motion is responsible for the bulk of the heat transfer.
Forced convection is the term for the movement of fluid caused by an external source (such as a fan, blower, etc.), while natural or free convection refers to the movement of fluid that occurs naturally. This type of heat transfer occurs only when the fluid is in motion.
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3. choose two objects from the illustration. based on the scene, how might these objects be in motion and a reference point at the same time?
Motion is viewed as reliant on the observer's reference frame in special relativity theory (the frame which an observer uses for the description of of the observed phenomenon).
When observed from the guy standing's reference point of the Sun, the trees are in motion. The man standing as a point of reference for the passengers in the plane may observe that the airplane's wings are moving in relation to the trees. When an object's position in relation to its surroundings changes over time, it is said to be in motion. When an object is used to detect if another object is moving, it is referred to as a reference point. The trees are moving relative to each other, as viewed by the passengers in the aeroplane.
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The current through inductance L is given by I = I0 sin ω t .
Find an expression for the potential difference ΔVL across the inductor.
Express your answer in terms of the variables L , ω , I0 , and t
ΔVL =
The maximum voltage across the inductor is 0.20 V when L =63μH and f =500kHz . What is I0 ?
I0 =
The value of I0 is 0.0000316 A. The current through inductance L is given by I = I0 sin ω t
What is the relationship between inductance and the frequency of an alternating current?Inductance and frequency have an inverse relationship, meaning that as the frequency of an alternating current increases, the inductance decreases and vice versa. This is because an inductor opposes changes in current, and as the frequency of the current increases, the rate of change in current also increases, making the inductor's opposition stronger.
The potential difference across an inductor is given by the derivative of the flux linkage concerning time. Since the flux linkage is given by Li, we have:
ΔVL = L dI/dt
Substituting the given expression for I:
ΔVL = L d/dt(I0 sin ωt)
= L I0 ω cos ωt
To find the maximum voltage across the inductor, we can take the derivative of this expression with respect to time and set it equal to zero:
d/dt(L I0 ω cos ωt) = 0
Since the cosine function has a maximum value of 1 at t = (2n+1)π/ω for any integer n, we can use this to find the maximum voltage:
L I0 ω = 0.2V
Given L = 63μH and f = 500kHz, we can find the angular frequency:
ω = 2πf = 2π(500 x 10^3) = 3.14 x 10^6
So,
I0 = 0.2V / (63 x 10^-6H * 3.14 x 10^6) = 0.0000316 A
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four point charges have the same magnitude of 2.36 10-12 c and are fixed to the corners of a square that is 3.95 cm on a side. three of the charges are positive and one is negative. determine the magnitude of the net electric field that exists at the center of the square.
on either side, 0 cm Find the size of the net electromagnetic field present at the center of the square using three positive and one negative charges.
The meaning of magnitude?a substantial or significant amount
A man of ordinary means would have been discouraged by the task's size and importance (/maentud/). planetary science. Magnitude also describes how bright a star appears to be from Earth.
What is the physics magnitude?A picture of magnitude
Magnitude is a term used in physics to describe an object's maximal size and direction. Scalar and vector quantities both use magnitude as a common factor.
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a particle moves along the x-axis in such a way that its velocity when it as the point x on the axis is equal to (so, for example, when it at 2 on the axis, it's velocity is 4 units/second to the right, etc.) That is: True or false (include an explanation): Is a(t) the acceleration of the particle, equal to 2
When a particle moves along the x-axis, it does so in such a way that its velocity at point x on the axis equals (for instance, when the particle is at point 2 on the axis, its velocity is 4 units/second to the right, etc.). That's accurate.
What is called velocity?The movement of an object and particle in space-time is represented by its vectorial form as velocity. The metre / second (m/s) is the accepted unit of magnitude for velocity (also known as speed). Centimeters per second (cm/s) can also be used to measure speed. The velocity of an item, which is the direction it is moving in, is the rate at which its location changes when seen from a certain angle and as expressed by a given time unit (for example, 60 km/h northbound).
What is velocity in physics?Velocity must have a specific magnitude and direction to qualify as a physical vector quantity. Speed is a coherently derived unit, and in the SI, its amount is expressed in metres per second (m/s or ms1). Speed is the magnitude (scalar absolute value) of velocity (metric system). A vector travels at 5 m/s.
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What happens to the charge on the capacitor immediately after the switch is thrown?
A. The electrons on the negative plate of the capacitor are held inside the capacitor by the positive charge on the other plate.
B. Only the surface charge is held in the capacitor; the charge inside the metal plates flows through the resistor.
C. The electrons on the negative plate immediately pass through the resistor and neutralize the charge on the positive plate.
D. The electrons on the negative plate eventually pass through the resistor and neutralize the charge on the positive plate.
The charge on the capacitor immediately after the switch is thrown the correct option is (D). (The electrons on the negative plate eventually pass through the resistor and neutralize the charge on the positive plate.)
A capacitor is made up of two plates that are spaced apart and have opposing charges. When a switch is thrown in an RC circuit, electrons immediately begin to move from the negative plate to the positive plate. On the positive plate, the electrons neutralize after passing through the resistor. As a result, the plate ultimately changes and the process is repeated. Consequently, the appropriate choice is (D). (Eventually, the negative plate's electrons will flow through the resistor and balance the positive plate's charge.)
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what is the mechanical work done by the cantilever when the extension increases from 10 nm to 15 nm?
It is shown graphically as the region between the respective data points on the force-extension graph. The correct answer from Figure 2 is [(100 - 0) 10-12]N [(15 - 10) 10-9]m/2 = 2.50 10-19 J.
Force divided by extension equals what?F = k e. When force (F) is expressed in newtons (N) The newtons per metre (N/m) unit of measure for spring constant (k) Extension (e), often known as lengthening, is expressed in metres (m).
What is displayed on a force-extension graph?An increase in applied stress causes a material to extend, as shown by a force-extension graph. The properties of the material can be determined and predicted using this method.
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pressure is question 3 options: a) cannot be determined using newton's second law. b) the rate change of time of momentum c) the rate change of time of momentum divided by area. d) none of the above
Pressure is the rate change of time of momentum divided by area. The correct answer is c.
Pressure is a measure of how much force is applied per unit area. It is defined as the rate of change of momentum of a fluid per unit area. This means that if a fluid is pushed against a surface, the pressure at that point is equal to the force exerted on the surface divided by the area of the surface.
Newton's second law of motion states that the force acting on an object is equal to the mass of the object multiplied by its acceleration, which is not directly related to pressure. Pressure is a scalar quantity and has no direction, it is a measure of how much a force is pushing or pulling in all directions.
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how much work is done during this part of its motion by the cable that lifts the elevator? neglect any friction.
The work done is 9075 Nm .
Work in physics is the energy that is transferred to or from an item when a force is applied along a displacement. For a constant force acting in the same direction as the motion, the work is simply equal to the product of the force's magnitude and the distance traveled.
Work done = Force × Distance
⇒ Force = Mass × Acceleration
⇒ Work done = Mass × Acceleration × Distance
⇒ work done = 550kg × 1.5m/s2 × 11m
work done = 9075 Nm
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Complete Question -
A 550kg elevator accelerates upward at 1.5m/s2 for the first 11m of its motion.
How much work is done during this part of its motion by the cable that lifts the elevator? Neglect any friction.
Compare the pictures of the igneous rocks.
Which of the three rocks shows evidence of the longest cooling process?
this is science
The rock that shows evidence of the longest cooling process is typically granite. Granite is a type of intrusive igneous rock, which means that it formed from magma that cooled slowly beneath the Earth's surface.
What are dolerite and basalt?Dolerite and basalt are examples of extrusive igneous rocks, which formed from lava that cooled quickly on the Earth's surface. The rapid cooling process did not allow for the formation of large mineral crystals, resulting in a finer-grained texture.
Explain the term igneous rocks.Igneous rocks are rocks that form from the solidification of molten rock material, either below the Earth's surface or on the Earth's surface. The solidification process can occur slowly over a long period of time or quickly over a short period of time, depending on the conditions under which the molten rock solidifies.
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Three forces act on an object in vertical plane two forces of 500N and 300N act vertically upwards and the third force of 600N acts vertically downwards determine the resultant force acting on the object
The resultant force acting on the object is 200 N upwards.
What is the resultant force acting on the object?
The resultant force acting on the object is calculated by taking sum of all the forces including their direction.
Mathematically, the formula for the resultant force acting on the object is given as;
F ( net ) = F1 + F2 + F3
where;
F1 is the first force acting vertically upwardF2 is the second force acting vertically upwardF3 is the third force acting vertically downwardThe magnitude of the first force acting vertically upward = 500 N
The magnitude of the second force acting vertically upward = 300 N
The magnitude of the third force acting vertically downwards = 600 N
The resultant force acting on the object is calculated as follows;
F (net) = 500 N + 300 N - 600 N
F (net) = 200 N
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Baed on your undertanding of behaviorim, how would a modern behaviorit be mot likely to tudy memory?
Behaviorism focuses on the idea that all behaviors are learned through interaction with the environment.
What is best definition of environment?Environment can be defined as a sum total of all the living and non-living elements and their effects that influence human life. While all living or biotic elements are animals, plants, forests, fisheries, and birds, non-living or abiotic elements include water, land, sunlight, rocks, and air.
What is environment and write its importance?An Environment is everything that is around us, which includes both living and nonliving things such as soil, water, animals and plants, which adapt themselves to their surroundings. It is nature's gift that helps in nourishing life on Earth.
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a mountain climber is about to haul up a 15 m length of hanging rope. how much work w will it take if the rope weighs 2 newtons per meter?
When a mountain climber is preparing to draw up a 15 m length of hanging rope, the work required is W = 225 J if the rope weights 2 newtons per metre.
Find the force equation.
k =2 N/m.
15-x.
F(x) = kx
F(x) = 2(15-x)
interval of 0 to 15.
W = ∫₀¹⁵2(15-x) on the interval 0 to 15
W = 2(15x) - 2(x^2/2)
on the interval 0 to 15
W = 225 J
Work is the amount of energy delivered to an item by an external force when that force moves it a specific distance.
The quantity of energy delivered to an item through work is defined as work done on it.
You are conducting work on an item when you apply a force to it that causes its position to shift in the same direction as the force. The work done on an object is divided into two parts.
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hinking about the circular flow of income and the data you just analyzed, compose one well-written paragraph that shows how you can apply the circular flow of income
Answer:
Explanation:
to the data
The circular flow of income can be applied to the data by showing how the money from the transactions in the economy is cycled around the different parts of the economy. For example, the consumers spend money to purchase goods and services from businesses, which in turn provides income to the businesses and the employees who work for them. The income from the businesses and employees is then used to purchase goods and services from other businesses and households, creating a circular flow of income. This cycle is evident in the data and shows how the money from the different parts of the economy are interconnected.
A charge 4.98 nC is placed at the origin of an xy-coordinate system, and a charge -2.04 nC is placed on the positive x-axis at x = 4.02 cm . A third particle, of charge 5.99 nC is now placed at the point x 4.02 cm , y 2.98 cm.
Find the x-component of the total force exerted on the third charge by the other two
From the horizontal x-axis, the force acts in a direction that is roughly 33.5 degrees clockwise.
What does "charge" mean in the context of electricity?Some elementary particles have an electric charge, which is a fundamental property of matter that governs how an electric or magnetic field affects the particles. Electric charge can neither be created nor destroyed; it only exists in specific natural units.
How can we determined this?The x-component of the total force on the third charge can be found using Coulomb's Law, which states that the force between two charges is given by:
F = (k * q1 * q2) / r^2
where F is the force, k is the Coulomb constant, q1 and q2 are the charges, and r is the distance between the charges.
To find the x-component of the force, we need to calculate the force due to each of the other two charges separately and then add them together.
The force due to the charge at the origin is:
F1 = (k * 4.98 nC * 5.99 nC) / (sqrt((4.02 cm)^2 + (2.98 cm)^2))^2
The force due to the charge on the x-axis is:
F2 = (k * (-2.04 nC) * 5.99 nC) / (4.02 cm)^2
The x-component of the total force is the sum of the x-components of these two forces. As the charge at the origin is at the origin, it does not have any x-component. The x-component of the force due to the charge on the x-axis is just the force due to that charge, since it is acting in the positive x-direction.
So, the x-component of the total force exerted on the third charge is:
F_x = F2 = (k * (-2.04 nC) * 5.99 nC) / (4.02 cm)^2
The Coulomb constant k = 8.99 * 10^9 N*m^2/C^2
Now, plug in the value of k and find the x-component of the force.
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when the three blocks in the figure below are released from rest, they accelerate with a magnitude of 0.525 m/s2. block 1 has mass m, block 2 has 6m, and block 3 has 6m. what is the coefficient of kinetic friction between block 2 and the table?
If an automobile accelerates at a rate od a=2m/s2 a = 2, m/s2, it means that its velocity is changing at a rate of v=2m/s v = 2 m/s every second. It simply describes how the car's velocity relates to the car's own velocity.
What is the lower block's acceleration?We suppose that one block moves together to the right and left evenly in order to calculate the velocity of the bottom block. so, The velocity to the bottom block is twice that of the upper block when Newton's second law is simplified for both the upper and lower blocks together.
A block formula is what?The Calculator block evaluates an equation specified by the user and outputs the evaluation's outcome as a True/False, a number, or an output of an instrument type. Every time one of the connectors mentioned in the block's internal formula changes, the block calculates the total and outputs its value.
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any circuit in which the current is split or follows two (or more) alternative paths is called a(n) ? circuit.
All of the parts of a series circuit are connected end to end to create a single path. All of the components in a parallel circuit are linked across one another to create precisely two sets of electrically coupled points.
Parallel circuits are where?
Parallel circuits make sure that various appliances continue to operate even while other appliances are off and keep the lights on in our houses. The most common type of circuit used in residential electrical wiring is a parallel circuit, which has several advantages over other types of circuits.
Why is parallel more efficient than series?
Numerous data bits are delivered over multiple channels at once when data is sent utilizing parallel data transmission. As a result, data can be transmitted significantly more quickly than with serial transmission techniques.
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If you wear kneepads when skating, after a fall to your knees it will take 3 times as long for them to come to rest. How does this affect the force applied to your knees when you fall?
The way that this will affect the force applied to your knees when you fall is option C. The force decreases by a factor of 3.
What is the kneepads aboutWhen the duration of the impact is increased, the force applied to your knees is spread out over a longer period of time, which can reduce the peak force experienced during the fall. This means that the kneepads can help to reduce the maximum force applied to your knees during a fall.
Note that even though the duration of the force applied is longer, the energy absorbed by the knee pads is the same, as energy is the product of force and distance.
Thus, the knee pads will still be able to absorb the same amount of energy, but will be able to dissipate it over a longer period of time, reducing the peak force applied and ultimately decreasing the force by a factor of 3.
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See transcribed text below
If you wear kneepads when skating, after a fall to your knees it will take 3 times as long for them to come to rest. How does this affect the force applied to your knees when you fall?
A. The force does not change.
B. The force increases by a factor of 3.
OC. The force decreases by a factor of 3.
OD. The force decreases by a factor of 9.
