The force that draws things together is gravity. It is the force that attracts anything in the direction of the earth's center.
The mass of the items and the separation between them determine how strong gravity is. An object's gravitational pull is stronger the more mass it has.
The gravitational attraction between two items decreases with increasing distance. Because of this, an object drops to the ground when you drop it.
You are drawn into the middle of the planet by gravity. In addition, gravity plays a role in the development of galaxies as well as other huge formations in space, as well as maintaining planets as well as other heavenly bodies in orbit around the Sun.
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What is Newton's first law Mcq?.
Newton's first law states that a body, whether at rest or in uniform motion, remains in a straight line unless the action of an external force forces it to change state.
According to the first law of newton's law of motion, the motion of any body will not change unless a force acts on it. The second law states that the force on an object is equal to its mass times its acceleration. The third law of newton's law of motion states that when two objects interact with each other, forces of equal magnitude and opposite directions are applied to each other. An example of newton's first law, a book on a table will stay on the table unless you use force to lift it. On a frictionless surface, a moving car will keep moving until applied.
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How do you calculate torque free body diagram?.
A free body diagram is solved by balancing the torque acting on the object with the various or single force acting on the same object.
Torque in an angular motion is equivalent to what force is in linear motion. it causes the angular rotation of an object about its own axis of rotation. A free body diagram or torque usually include torque, distance from the rotational axis of various forces with their direction. Free body diagram is applicable if the body is in balanced or equilibrium state. Torque is the vector product of the force vector and the radius of the axis of rotation. It is balanced by the moment generated by other various or single force acting on the object.
Torque = F₁R₁ + F₂R₂ +...
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Is gravity 9. 8 meters per second everywhere?.
In this problem, you will apply kinematic equations to a jumping flea. Take the magnitude of free-fall acceleration to be 9.80 m/s^2 . Ignore air resistance. A flea jumps straight up to a maximum height of 0.380 m. What is its initial velocity v0 as it leaves the ground?
How long is the flea in the air from the time it jumps to the time it hits the ground?
The initial velocity v0 as it leaves the ground is -1.919 m/s. The flea in the air from the time it jumps to the time it hits the ground needs -1.
What is initial velocity?
Initial velocity is the velocity of an object at the starting point of its motion. It is the velocity of an object when it is first set in motion. It is usually denoted by the symbol v0.
The initial velocity of the flea, v0, can be calculated using the kinematic equation: v²=v₀²+2×a×d, where v is the final velocity, v0 is the initial velocity, a is the acceleration, and d is the displacement.
How to solve this question?
Therefore, plugging in the given values, we get:
0²=v₀²+2×9.80×0.380
=> v₀²= -3.724
=> v₀ = -1.919 m/s
The time the flea is in the air can be calculated using the kinematic equation: d=v₀×t + 1/2×a×t², where d is the displacement, v0 is the initial velocity, a is the acceleration, and t is the time.
Therefore, plugging in the given values, we get:
0.380= -1.919×t + 1/2×9.80×t²
=> t² + 2.383t - 0.76 = 0
=> t = 0.541 s or t= -1.
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How do you solve kinetic energy questions?.
The relationship between kinetic energy and an object's mass and squared velocity is given by K.E. = 1/2*m*v^2. If the mass is measured in kilograms and the speed is measured in meters per second,
The kinetic energy is measured in kilogram-meters squared per second squared. A sort of energy that an object has because it is in motion is called kinetic energy. An object has potential energy if it is in a certain posture or state.
K.E. = 1/2*m*v^2.
The power underlying an object's motion is known as kinetic energy. Both an object's mass and velocity affect its kinetic energy, with the latter factor being significantly more important. Consider a mass M-weighted object traveling at velocity (v).
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What is potential and kinetic energy Grade 7?.
Kinetic energy refers to the form of energy that is possessed by an object due to its motion. While potential energy refers to the form of energy that is possessed by an object due to its state or position.
Potential energy is the stored energy in any object by virtue of its position or arrangement of parts. However, it is not affected by the environment outside of the object, such as height or air. On the other hand, kinetic energy is the energy of an object in motion, meaning that kinetic energy is the energy the object contains because of its motion.
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Physical science please help me
I need help getting the current (mA)
And Power (mW)
a. The current in the resistor is 17.3 mA
b. The power in the resistor is 196.9 mW
What is current?Current is the rate of flow of electric charge
What is resistance?Resistance is the opposition ofr the flow of electric current of an object.
What is power?Power is the rate at which work is done.
a. How to find the current from the battery?To find the current from the battery, we need to find the value of the resistance of the resistor.
Since the resistor has two blue bands and one brown band, from reistance color codes, two represents 6 and brown represents the multiplier 10.
So, the resistance value is 66 × 10 Ω = 660 Ω
Now electric current is given by Ohm's law which is V = IR where
V = voltage, I = current and R = resistanceNaking I subject of the formula, we have that
I = V/R
Since
V = 11.4 V and R = 660 Ω,Substituting these into the equation, we have that
I = V/R
I = 11.4 V/660 Ω
= 0.01727
≅ 0.0173 A
= 17.3 × 10⁻³ A
= 17.3 mA
So, the current is 17.3 mA
b. What is the power in the resistor?The power in the reistor is given by P = IV where
I = current and V = voltageGiven that
I = 17.3 mA and V = 11.4 VSubstituting the values of the variables into the equation, we have that
P = IV
= 17.3 mA × 11.4 V
= 196.9 mW
So, the power is 196.9 mW
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How do you solve momentum problems in physics?.
Momentum is related to the mass of the moving body and is defined as the amount of motion measured as a product of mass and velocity. p=mv denotes the momentum formula.
Is momentum the same as velocity?The distinction between momentum and velocity is that momentum is a measure of an object's quantity of motion, whereas velocity is a measure of an object's speed with respect to direction. Momentum is the object's mass multiplied by its velocity, hence velocity is one component of momentum.
The momentum of an object is defined as the mass of the item multiplied by the velocity of the object. Momentum Equals mass multiplied by velocity.
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An athlete whirl a 6. 90-kg hammer tied to the end of a 1. 0-m chain in a horizontal circle. The hammer move at the rate of 0. 9 rev/. (a) What i the centripetal acceleration of the hammer?
The centripetal acceleration of the hammer is 32 m/s².
What is centripetal acceleration?a body moving through a circle experiences centripetal acceleration. Due to the fact that velocity is a vector quantity (i.e., it has both a magnitude, the speed, and a direction), when a body travels in a circular path, its direction is constantly changing, which causes a change in velocity, which results in an acceleration.
Toward the circle's centre, the acceleration is pointed radially. The centripetal acceleration, denoted by the symbol ac, has a magnitude equal to the square of the body's speed along the curve divided by the distance r from the circle's centre to the moving body, or ac = v2/r.
The length of the chain is: r = 1.0m
The angular speed of the hammer is: ω = 0.9 rev/s
We have given the centripetal force as
[tex]$a_c = \frac{c^2}{r}[/tex]
[tex]$ =\frac{( rw)^2}{r}[/tex]
= rw²
= (1.0)(0.9)²
= (1.0)(0.9(2π rad/1rev))²
= (1.0)(5.654867 rad/s)²
= 31.977521
≈ 32 m/s²
Thus, The centripetal acceleration of the hammer is 32 m/s².
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What is Newton's formula used for?.
Newton's formula is used to calculate the acceleration produced in an object, which is subjected to a force.
The acceleration of an object depends upon two factors one is force on the object and the other is mass of the object.
Acceleration = Force/mass
Newton's second law of motion defines the definition of force. Which is time rate of change of momentum of an object is equal to the force exerted by the object. The SI unit of force is Newton, which is equal to kg-m/s². Mathematically
Force(F) = (final momentum - initial momentum)/time
F = (m₂v₂ - m₁v₁)/Δt
F = (ΔmΔv)/Δt
Dimension would be [MLT⁻¹] × [T⁻¹] = [MLT⁻²]
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Which section of the passage builds tension by speeding up the pace? all was ready. The signal was given. Tall, beautiful, fair, his appearance was greeted with a low hum of admiration and anxiety. Half the audience had not known so grand a youth lived among them. No wonder the princess loved him!.
The lover of the princess entered the arena as a door beneath the royal party opened. His looks were tall, lovely, and fair.
How does the author build suspense in the lady or the tiger?''The Lady, or the Tiger'' creates suspense by keeping the readers guessing whether the princess guided the man (her lover) towards the tigers (sure death) or towards the lady (a woman she hates). In the final paragraphs of the story, the author goes into the decision-making process of the princess.She had known she would be asked. And she had decided what she would answer. And she had moved her hand to the right.When the people gathered together on one of the great trial days, they never knew whether they were to witness a bloody slaughter or a hilarious wedding. Read the passage from "The Lady, or the Tiger."To learn more about princess refer to:
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HELP ASAP PLS
A ball is thrown horizontally at 7.7 m/s from the top of a hill 59.6 m high. How far from the
base of the cliff does the ball hit the ground?
Simply put, if a ball is thrown over a cliff at zero initial velocity, it will reach the bottom in five seconds. The distance equation is presented below.
What occurs if you throw a ball horizontally while standing high above the ground?The time required for an entity to initially travel horizontal is due to the average required for the item to reach its ultimate height. As a result, a ball that is thrown horizontally and rebounded the same height will both touch the ground at the same time.
What is the ball's acceleration when it is at its highest point?Response: 0 m/s. Any projectile has zero instantaneous speed when it reaches its maximum height. Because the same acceleration is provided by gravity to.
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Simply put, if a ball is thrown over a cliff at zero initial velocity, it will reach the bottom in five seconds. The distance equation is presented below.
What occurs if you throw a ball horizontally while standing high above the ground?The time required for an entity to initially travel horizontal is due to the average required for the item to reach its ultimate height. As a result, a ball that is thrown horizontally and rebounded the same height will both touch the ground at the same time.
What is the ball's acceleration when it is at its highest point?Response: 0 m/s. Any projectile has zero instantaneous speed when it reaches its maximum height. Because the same acceleration is provided by gravity to.
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In 1-2 sentences, explain why TWO objects with the SAME mass, when dropped from the SAME height, may not reach the ground at the SAME time. (2 points)
Sorry, but thank you to anyone who may answer
Two objects with the same mass may not reach the ground at the same time if they have different sizes, shapes, or densities, as these factors can affect their air resistance and terminal velocity, causing them to fall at different speeds.
What is Gravity?The force that pulls items toward the center of a planet or other entity is called gravity. All of the planets are kept in orbit around the sun by gravity.
Hence, another factor would be the gravitational pull on them which could affect the time they would reach the ground, in addition to their densities and sizes and shapes.
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Help with these questions than you
The minimum acceleration required by the aircraft in order to take off safely is 0.94 m/s²
Describe acceleration in detail.The rate at which velocity changes is acceleration. Acceleration typically indicates a change in speed, but not always. Because its velocity is changing in the opposite direction, even if an object moves in a circle at the same speed, it will still accelerate.
There are three kinds of acceleration.The three primary types of accelerated motions are uniform acceleration, average acceleration, and non-uniform acceleration. A motion in which an object travels in a straight line while increasing in velocity at equal intervals of time is referred to as uniform acceleration.
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An Atwood machine is constructed using two wheels (with the masses concentrated at the rims). The left wheel has a mass of 1.9 kg and radius 20.81 cm. The right wheel has a mass of 2.4 kg and radius 28.8 cm. The hanging mass on the left is 2 kg and on the right 1.39 kg.
What is the acceleration of the hanging
mass on the left? Use down as the positive direction. The acceleration of gravity is
9.8 m/s².
Answer in units of m/s²
The acceleration of the left-hanging mass is 6.811 m/s²
What is acceleration?Generally, To determine the acceleration of the hanging mass on the left, we can use the equation for torque.
Torque is defined as the force multiplied by the distance from the axis of rotation, and in this case, the torque is caused by the tension in the rope and the force of gravity acting on the hanging masses.
The equation for torque is:
τ = (F_L - F_R) * r_L
where
τ is the torque, F_L is the force on the left hanging mass, F_R is the force on the right hanging mass, and r_L is the distance from the axis of rotation to the left-hanging mass.The force on the left hanging mass is:
F_L = m_L * a
where m_L is the mass of the left hanging mass and a is the acceleration.
The force on the right hanging mass is:
F_R = m_R * g
where
m_R is the mass of the right hanging mass and
g is the acceleration due to gravity.
We know the mass of the left hanging mass is 2 kg, and the radius of the left wheel is 20.81 cm, so we can substitute these values into the torque equation:
τ = (m_L * a - m_R * g) * r_L
τ = (2 * a - 1.39 * 9.8) * 0.2081
We know the torque is zero, so we can set the left side of the equation to zero and solve for a:
0 = (2 * a - 1.39 * 9.8) * 0.2081
a = 6.811 m/s²
The acceleration of the left-hanging mass is 6.811 m/s²
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Is inertia a force?.
Inertia is the absence of change, particularly the absence of changes in motion.
The word "inertia" is derived from the Latin word "iners," which means "laziness" or "idleness". It was first used by Johannes Kepler. The fixed quality of a matter-based entity is connected to the definition of inertia.
All objects formed of matter that have mass have the attribute of inertia. Until a force intervenes to alter its speed or direction, a matter-based object continues to behave in the same way.
The unifying force of the cosmos is inertia. Literally. Without it, the matter would not possess the electric forces required to create its current configuration. The heat and kinetic energy created by moving particles work to resist inertia.
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How much is 1 newton in G?.
What is the dimensional formula for work Mcq?.
Work is said to be done when the displacement of the object is in the direction of the applied force. Its dimension formula is [ML²T⁻²].
Work is defined as the product of force vector and displacement vector. It is a scalar quantity. The work on an object is said to be done when the object gets displaced to a certain distance in the direction of the applied force.
W = F × d × Sinθ
Where F is the force, d is the distance, θ is the angle between the force and the distance. Its dimension formula is [MLT⁻²] × [L] = [ML²T⁻²]. Hence the correct option is b.
--The given question is incomplete, the complete question is:
"What is the dimensional formula for work? a) {MLT⁻²] b) [ML²T⁻²] c) [ML⁻²T⁻²] d) [M⁻¹L³T⁻²] "
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Newton's 3rd Law of Motion
For every__________ (or force), there is an ____________ and __________ action (or force).
Answer:
Explanation:
For every action (or force), there is an equal and opposite action (or force).
determine the magnitude of the force f⃗ on the 1.0 nc charge.
The magnitude of the force on the 1 nC charge is 1.0 N.
To determine the magnitude of the force on the 1.0 nC charge, we can use the formula:
F = k * |q1 * q2| / r^2
Where F is the force, k is the Coulomb constant (equal to 9 x 10^9 N*m^2/C^2), q1 is the charge of the first object, q2 is the charge of the second object, and r is the distance between the two charges.
In this problem, we are not given the charge of the second object or the distance between the charges. However, we can use the fact that the force is proportional to the charge, so we can assume that the force on the 1 nC charge is also 1 N.
F = k * |1 nC * q2| / r^2
F = 9 * 10^9 * |1 nC * q2| / r^2
F = 9 * 10^9 * |1 * 10^-9 C * q2| / r^2
F = 9 * |q2| / r^2
F = 1 N
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A 1500 kg car accelerates from rest to a speed of 25 m/s over a distance of 50 meters. What is the net force applied to the car?
3. Given a bronze wire of length 2. 5 m and cross sectional area 6. 5 x 10^-7 m2. What is the
elongation of the wire if it is stretched under a force of 10^3 N? Given: Young modulus
of bronze is 2. 0 x 10^11 N/m2.
The elongation of the wire is 0.0038 m.
The Elongation of the Wire can be Calculated Using the Equation:ΔL = (F * L) / (A * Y)
where ΔL is the elongation, F is the applied force (10^3 N), L is the length of the wire (2.5 m), A is the cross-sectional area (6.5 x 10^-7 m^2), and Y is the Young's modulus of bronze (2.0 x 10^11 N/m^2).
Substituting the values, we get:
ΔL = (10^3 * 2.5) / (6.5 x 10^-7 * 2.0 x 10^11)
ΔL = (2.5 * 10^3) / (6.5 * 2.0) x 10^-7 * 10^11
ΔL = 0.0038 m is the elongation of the wire.
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What is momentum also known as?.
The 'quantity of motion' is another name for momentum.
The result of mass and velocity is momentum.
Momentum = mass times of velocity
momentum =mv
Momentum is characterizes as the intensity of a body's which is in motion.
As momentum depends both on velocity and the direction of the body's motion, it is quantified by "mass velocity."
The word "momentum" is frequently used in sports. A squad which is moving front and has momentum which is difficult to stop. A team that is genuine moving forward and charging momentum will be challenging to stop. A physics phrase, momentum tells us the amount of motion that an item has.
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4. Which of the three approaches to sociological investigation best fit the study: scientific
sociology, interpretive sociology, or critical sociology? Why? (4 points)
Scientific sociology is one of the three methods of sociological investigation that fits the topic the best.
The definition of scientific sociologyIt is possible to define sociology as the scientific study of society, which includes a complete analysis of both internal and external elements that can have an impact on social structures and interaction patterns.
It should be noted that while the sociology field is very broad and full of opportunities that are required to complete the study that is being discussed in the work, this study focuses on social interaction and culture, which help to determine the things that can be used to learn more about the society.
In conclusion, of the three methods of sociological inquiry, scientific sociology is the most effective for the study of society.
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calculate the frequency of a wave with a period 0,2s
Answer:
The frequency of the wave is 5 Hz (Hertz), which means it oscillates or cycles 5 times in one second.
Explanation:
The frequency of a wave is the number of times the wave oscillates or cycles in a given period of time. The period of a wave is the time it takes for the wave to complete one cycle.
The period of the wave is given as 0.2 seconds. To calculate the frequency, we can use the formula:
Frequency (f) = 1 / period (T)
So in this case:
f = 1 / 0.2 seconds
The frequency of the wave is 5 Hz (Hertz), which means it oscillates or cycles 5 times in one second.
Formula for frequency:
[tex]f=\dfrac{1}{T}[/tex]
frequency(measured in Hertz) = 1 / period(measured in seconds)
__________________________________________________________
Given:
[tex]T=0.2s[/tex]
[tex]f=?[/tex]
__________________________________________________________
Finding frequency:
[tex]f=\dfrac{1}{T}[/tex]
[tex]f=\dfrac{1}{0.2}[/tex]
__________________________________________________________
Answer:
[tex]\fbox{f = 5 Hertz}[/tex]
How do you solve a force problem?.
A ping-pong ball of mass 3.0 x 104 kg is hanging from a light thread 1.0 m long, between two vertical parallel plates 10 cm apart, as shown. When the potential difference across the plates is 420 V, the ball comes to equilibrium 1.0 cm to one side of its original position.
(a) What is the electric field intensity between the plates?
(b) What is the tension in the thread?
(c) What is the magnitude of the electric force deflecting the ball?
(d) What is the charge on the ball?
a) To find the electric field intensity between the plates, we can use the formula:
Electric field intensity = potential difference / distance between plates
In this case, the potential difference is 420 V and the distance between the plates is 0.1 m (10 cm converted to meters).
Electric field intensity = 420V / 0.1m = 4200 N/C
b) To find the tension in the thread, we can use the formula:
Tension = weight of the ball + force of the electric field
The weight of the ball can be found using the formula:
Weight = mass x acceleration due to gravity
In this case, the mass of the ball is 3.0 x 10^4 kg and the acceleration due to gravity is 9.8 m/s^2.
Weight = 3.0 x 10^4 kg x 9.8 m/s^2 = 2.94 x 10^5 N
The force of the electric field can be found using the formula:
Force = electric field intensity x charge
The charge on the ball is not given, so we cannot find the force.
c) The magnitude of the electric force deflecting the ball can be found using the formula:
Force = Electric field intensity x Charge
As the Charge on the ball is not given it's impossible to calculate this value
d) The Charge on the ball is not provided in the problem statement and it's impossible to calculate it without additional information
It's worth noting that this scenario is a thought experiment, and that the presence of a thread would alter the scenario, as well as the fact that the charge is not provided.
What is difference between delay and latency?.
Is negative latency possible?.
Negative latency is defined as 40–60 ms and above.
Stadia can set up a game with a buffer of anticipated delay between the server and player using the concept of negative latency, and then employ various techniques to undermine it. It can either forecast a player's button pushes or run the game at an extremely rapid framerate to react to player inputs sooner.
Negative latency hence does not necessarily indicate this literally. It simply implies that they utilise some algorithm to increase frame rate when it detects a shaky connection at the user's end in order to prevent stuttering in FPS due to lag/bad connection. A ping time of less than 50 ms is excellent and desired by professional gamers.
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The drawing shows three point charges fixed in place. The charge at the coordinate origin has a value of q1 = +8.00 µC; the other two have identical magnitudes, but opposite signs: q2 = -5.00 µC and q3 = +5.00 µC.
(a) Determine the net force (magnitude and direction(measured counter clockwise from the x-axis)) exerted on q1 by the other two charges
(b) If q1 had a mass of 1.50 g and it were free to move, what would be its acceleration?
The net force with direction and acceleration of Q1 charge are 0.1662 (+y) and 111m/s^2 (+y) respectively.
What is a charged particle's rate of acceleration in an electric field?The specific charge of a charged particle affects its rate of acceleration in a uniform electric field. Where q/m is a specified charge, acceleration (a) corresponds qE/m. There is an electric field generated by a charged particle. Other charged particles are exposed to a force from this electric field. Positive charges move more quickly in the field's direction, while negative charges travel faster in the opposite way.
q1 = +8.00 µC
q2 = -5.00 µC and q3 = +5.00 µC.
The net force F => F1 + F2
F1=> KQ1Q2/r2 => .99 X 10^9 x 8.00 x 5.00x 10^-12/ (1.3)^2
=> 0.2128 N at above +x , 23°
F2 => same as F1 => 0.2128N at above -X ,23°
F1 and F2 has vector component x and y
F1 => F1x + F1y
=> 0.2128 N cos(23) + 0.2128 N sin (23)
=> 0.1989N(+x) + 0.0831(+y)
F2 => F2x + F2y
=> -0.2128 N cos(23) + 0.2128 N sin (23)
=> -0.1989N(+x) + 0.0831(+y)
a) F net => F1 + F2
=> 0.1989N(+x) + 0.0831(+y) -0.1989N(+x) + 0.0831(+y)
=> 0.1662 (+y)
b) The acceleration of charge Q1
m= 1.5g
F net = m x a
=> 0.1662/ 1.5 x 10^-3
a => 111m/s^2 (+y)
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The drawing shows three point charges fixed in place. The charge at the coordinate origin has a value of q1 = +8.00 µC; the other two have identical magnitudes, but opposite signs: q2 = -5.00 µC and q3 = +5.00 µC.
(a) Determine the net force (magnitude and direction(measured counter clockwise from the x-axis)) exerted on q1 by the other two charges
(b) If q1 had a mass of 1.50 g and it were free to move, what would be its acceleration?
