The acceleration of driver with given values is - 1.771 m/s².
Equation :To know acceleration used formula is the rate of change of the velocity of an object with respect to time that is,
a = dv / dt
Where,
dv is the small change in velocity
dt is change in time of an object
Given,
The distance traveled by the driver is +2170 m
The time taken by the driver is 35. 0 s
The initial velocity of driver is + 62.0 m/s
Therefore , to get the acceleration of the driver with the equation of motion
v = u + at
Here v is the final velocity which is taken zero
Then by putting the values in the above equation,
0 = (+62. o m/s) + (a) 35.0s
a = - (+62. o m/s) / ( 35.0s)
a = - 1.771 m/s²
The negative sign of acceleration shows that, the driver is slowing then acceleration is in the opposite as the velocity.
So, the acceleration
a = -1.771 m/s².
To know more about velocity :
https://brainly.com/question/19979064
#SPJ1
Which terms describe this graph? (Choose all that apply)
negative correlation
linear
inversely proportional relationship
no correlation
non-linear
directly proportional relationship
The term that describes the given graph is a negative correlation, linear, inversely proportional relationship
Regression evaluation is a similar method for inspecting the connection between a final results variable and one or extra threat elements or confounding variables (confounding is mentioned later). The end result variable is likewise referred to as the reaction or based variable, while the threat elements and confounders are referred to as predictors, explanatory variables, or unbiased variables. The based variable in regression evaluation is indicated with the aid of using "Y," whilst the unbiased variables are denoted with the aid of using "X."
The path of the hyperlink is indicated with the aid of using the signal of the correlation coefficient. The correlation coefficient's price displays the electricity of the hyperlink.
It is vital to spotlight that whilst there can be a non-linear dating among non-stop variables, calculating a correlation coefficient does now no longer display this. As an end result, it's miles usually vital to investigate the statistics well earlier than setting up a correlation coefficient. Graphical representations are very powerful for investigating relationships among variables.
Learn more about Regression evaluation here:
brainly.com/question/28203001
#SPJ1
147 The role of inductance is equivalent to: A. Inertia C. Energy D. None of these B. Force D. Momentum
The answer is A. inerta
.....
A box is pushed 52 m by a mover. The amount of work done was 2,160 J. How much force was exerted on the box
Answer: The force exerted on the box was 41 N.
Explanation: The amount of work done is equal to the force exerted on the object times the distance it was moved. In this case, the force was 41 Newtons and it was moved 52 meters, so the work done was 2160 Joules. Divide 2160/52.
What do extraversion, openness, conscientiousness, neuroticism, and agreeableness have in common
Extraversion, openness, conscientiousness, neuroticism, and agreeableness have common factors in that these are the part of "Big 5" personality traits.
What is psychology?The scientific study of the mind and behavior is called psychology. Psychologists are actively involved in researching and comprehending how the mind, the brain, and behavior work.
The "Big 5" interpersonal qualities include extraversion, openness, conscientiousness, neuroticism, and agreeableness. These characteristics have certain things in common.
Extraversion, openness, conscientiousness, neuroticism, and agreeableness all have the "Big 5" personality qualities in common.
These five traits combine to form "OCEAN"
To learn more about psychology from here, refer to the link;
https://brainly.com/question/7237731
#SPJ1
Platinum has a mass of 107.25 g and a volume of 5 cm3. What is the density of platinum?
Answer:
D=2145g/100cm cubed
Explanation:
D=M/V
D=107.25g/5cm cubed
D=2145g/100cm cubed
A model rocket is launched straight upward with an initial
speed of 50.0 m/s. It accelerates with a constant upward
acceleration of 2.00 m/s2 until its engines stop at an alti-
tude of 150 m. (a) What is the maximum height reached
by the rocket? (b) How long after lift-off does the rocket
reach its maximum height? (c) How long is the rocket in
the air?
The maximum height reached by the model rocket is 300.5 metre. (b) Time to reach maximum height is 8.5 seconds and (c) the time for which the model rocket was in air is 17.3 seconds.
What are Newton's law of motion?Newton's laws of motion are three basic laws of classical mechanics that describe the relationship between the motion of an object and the forces acting on it.
Given:
Initial velocity of the model rocket = 50m/s
Constant acceleration of rocket = 2 u
Height to which acceleration was in account= 150m
First we need to find the final velocity at 150 metres.
We can do so simply by using Newton's third law of motion,
Velocity at 150 metre = under root (2500 + 600)
Velocity at 150 meter = 55.7
Maximum height height reached by the model rocket can be find using the equation for max height.
.i.e. maximum height = u × u/2g + initial distance traveled
maximum height = 55.7×55.7/19.6 + 150
maximum height = 156.5 + 150
Maximum height= 300.5 m
Time taken to reach maximum height = time taken before acceleration stops + time after which acceleration stops
Time taken to reach maximum height = 5.7/2 + 55.7/9.8
Time taken to reach maximum height = 2.85 + 5.7
Time taken to reach maximum height = 8.5 seconds
The rocket will be air for the time = time to reach maximum height + time to fall to the ground
The rocket will be air for the time = 8.5+ 7.8
The rocket will be air for the time = 17.3 seconds.
Therefore, the maximum height reached by the model rocket is 300.5 meter, time to reach maximum height is 8.5 seconds and the time for which the model rocket was in air is 17.3 seconds.
Learn more about Newton's law of motion here:
https://brainly.com/question/15280051
#SPJ9
Having come late to practice, a baseball player is forced to run from one side of the 100-meter field and back three times, which takes him 345 seconds. What is his average velocity throughout the task?
The average velocity for completing three rounds of the basketball court would be zero as initial and final position would be zero and the average speed would be 3.28 m/s.
What is average velocity ?Average velocity is defined as the total displacement divided by the total time take to compete the total displacement.
What is average speed ?Average speed is defined as the total distance divided by the total time take to compete the total distance.
Given:
Side of the baseball court = 100 meter
Total time taken to complete three rounds of the basketball court = 375 seconds
Total distance traveled by the player can be measured using the given side of the basketball court.
First we will find the parameter of the court,
Parameter of the court = 4 times the side of basketball court
Parameter of the basketball court = 4 × 100
Parameter of the basketball court = 400 metre
The player goes for 3 rounds of the basketball court which makes the total distance three times the parameter of the basketball court.
Total distance traveled by the basketball player = 3 × 400
Total distance traveled by the basketball player = 1200 metre
Average velocity is displacement divided by time taken.
Total displacement = 0 metre
As the player reaches the same position from where he started so the total displacement is zero.
Therefore, average velocity = 0/365
average velocity = 0 m/s
Average speed = 1200/365
Average speed = 3.28 m/s
Learn more about average velocity here:
https://brainly.com/question/862972
#SPJ9
Force of gravity between pairs of objects
The force of gravity between two objects is directly proportional to the product of their masses and inversely related to the square of distance between them.
We have a Pair of objects.
We have to discuss about the force of gravity between them.
What is Gravity ?In physics, gravity is a fundamental interaction which causes mutual attraction between all things with mass or energy.
According to the question -
Assume that the mass of objects are m and M. They are separated by distance r apart.
According to the Newton's law of gravitation - the force of gravity between the two objects is directly proportional to the product of their masses and inversely proportional to the square of the distance between them. Therefore, the force of gravity between m and M will be -
[tex]$F = \frac{GMm}{r^{2} }[/tex]
Hence, the force of gravity between two objects is directly proportional to the product of their masses and inversely related to the square of distance between them.
To solve more questions on gravity, visit the link below-
https://brainly.com/question/24299568?referrer=searchResults
#SPJ1
.A 2.0-L balloon at room temperature (20.0°C) is placed in a freezer at -18°C. What is the volume of the balloon after it cools in the freezer?
Answer step by.
if a 2.0-L balloon at room temperature (20.0°C) is placed in a freezer at -18°C, then the volume of the balloon would be 1.74 liters.
What is an ideal gas?It is an imaginary gas for which the volume occupies by it is negligible, this gas does not exist in a practical situation and the concept of an ideal gas is only the theoretical one.
PV = nRT
By assuming the pressure constant the volume would be directly proportional to the temperature changes from 293 kelvin to 255 kelvin,
V₁ /V₂ = T₁/ T₂
1000 litre = 1 m³
1 litre = 1/1000 m³
2 litre = 2/1000 m³
=0.002 m³
0.002 / V₂ = 293 / 255
V₂ = 0.001740 m³
The final volume of the balloon =1.74 liters.
Thus, the volume of the balloon would be 1.74 liters.
Learn more about ideal gas here, refer to the link;
brainly.com/question/8711877
#SPJ1
if a rock has a volume of 22.0 mL and a mass of 55 g. what is the density
Answer:
D=5g/2cm cubed
Explanation:
D=M/V
D=55g/22cm cubed
D=5g/2cc
3. What would happen if two black holes were to
collide?
Answer:
What would happen is that once the two collide they will make a bigger black hole.
Explanation:
Two point charges, A and B, are separated by 6 cm. The attractive force between them is 20 N. Find the force between them when they are separated instead by 12 cm. The charges are brought back to their original 6 cm separation, but the magnitude of charge A is doubled. Find the force between them. What would the force become if charge B is doubled as well?
The force between them when they are separated instead by 12 cm is 5 N.
The force between them when charge A is doubled is 40 N.
The force becomes 80 N if charge B is doubled as well.
Force between two charges
The force between two charge is determined from Coulomb's law of electrostatic force.
f = kq²/r²
when the distance, r is double the force reduces by 4;
f = kq²/(2r)²
f = kq²/4r²
New attractive force when the distance is 12cm, = 20 N/4 = 5 N
Magnitude of force when one of the charge is doublef = k(2q₁)(q₂)/r²
f = 2k(q₁q₂)/r²
New force = 2 x 20 N = 40 N
When charge B is doubled as wellf = k(2q₁)(2q₂)/r²
f = 4k(q₁q₂)/r²
New force = 4 x 20 N = 80 N
Thus, the force between them when they are separated instead by 12 cm is 5 N.
The force between them when charge A is doubled is 40 N.
The force becomes 80 N if charge B is doubled as well.
Learn more about force between charges here: https://brainly.com/question/17692887
#SPJ1
Destiny is eating lunch at her favorite cafe when her friend Jada calls and says she wants to meet her. Jada is calling from a city 65 miles away and wants to meet Destiny somewhere between the two locations. Jada says she will start driving right away, but Destiny needs 10 min to finish her lunch before she can begin driving.
Jada plans to drive at 60 mph, whereas Destiny usually averages about 80 mph. Ignore acceleration and assume the highway is a straight line.
The time taken for Jada's and Destiny's travel are 0.5595hour and 0.3928 hour
Let us consider distance for which both had to travel be equal
Let this time be 't'
The total distance between them is 65 miles
It is given that speed of Jada and Destiny are 60 and 80 mph
It is also given Destiny starts the journey 10 minutes later, hence her time be t-10 mins
But as all units are in hour , we must convert 10 mins to hour,
10 mins = 0.1667 hours
there Destiny's time of travel = t - 0.1667
We know that distance = speed x time
Therefore, total distance = distance travelled by Jada+ Distance travelled by Destiny
65 = 60 x t + 80 x(t-0.1667)
65 = 60t + 80t - 13.336
78.336 = 140 t
t = 78.336/140 = 0.5595hr
t= 0.5595 hour
Time taken for Jada's travel = 0.5595 hours
Time taken for Destiny's travel = t-0.1667 =0.5595-0.1667 =0.3928 hour
Disclaimer:
Time has been assumed and question provided is incomplete
#SPJ9
On three separate intances you connect each lightbulb to a battery with an and of 12.00V and an internal resistance of 0.5. When a current of 4A passes through the battery, what is the resistance in the LED, CFL and incandescent lightbulb?
The resistance in the LED, CFL, and incandescent lightbulb would be 2.50 ohms.
What is resistance?Resistance is the obstruction of electrons in an electrically conducting material.
As given in the problem On three separate instances you connect each lightbulb to a battery with an and of 12.00V and an internal resistance of 0.5. When a current of 4A passes through the battery,
resistance = voltage /current
= 12 volt/4 ampere
= 3 Ohm
The total resistance across the circuit = internal resistance + resistance across the bult
resistance across the bulb = 3 - .50
=2.5 Ohms
Thus, the resistance in the LED, CFL, and incandescent lightbulb would be 2.50 ohms
To learn more about resistance, refer to the link;
brainly.com/question/14547003
#SPJ1
An 8.50 m long ladder leans against the side of a building. The ladder is initially inclined at an angle of 47.0° to the horizontal. The base of the ladder is then moved 0.82 m closer to the building. At what angle is the ladder now inclined with respect to the horizonta
The angle of the ladder inclined with respect to the horizontal after being moved a distance of 0.82 m closer to the building is 53.84°
cos θ = Adjacent side / Hypotenuse
θ[tex]_{1}[/tex] = 47°
Hypotenuse = Length of ladder = 8.5 m
cos 47° = Adjacent side / 8.5
Adjacent side = Initial distance of base of ladder from the building = 5.8 m
Adjacent side 2 = Final distance of base of ladder from the building
Adjacent side 2 = 5.8 - 0.82 = 4.98 m
cos θ[tex]_{2}[/tex] = Adjacent side 2 / Hypotenuse
cos θ[tex]_{2}[/tex] = 4.98 / 8.5 = 0.59
θ[tex]_{2}[/tex] = [tex]cos^{-1}[/tex] ( 0.59 )
θ[tex]_{2}[/tex] = 53.84°
The formula used above is one of trigonometric ratios. Trigonometric ratios can used only in a right angled triangle where one of the angles in at 90 degrees and the other two angles are less than 90 degrees.
Therefore, the angle of the ladder inclined with respect to the horizontal after being moved is 53.84°
To know more about trigonometric ratios
https://brainly.com/question/1201366
#SPJ1
what does it mean by a wave has a period of 40 ms
Answer:
it means how fast the wave is traveling in which a 40 ms is as fast as a car traveling
Suppose Thomas wants to experiment on a homemade trebuchet. He wants to find at which angle would result in the furthest thrown projectile. Help Thomas put and find a way to test this experiment without having to build and launch the projectiles over and over and explain your process. THIS IS DUE IN A FEW HOURS
45º angle will result in the trebuchet’s furthest thrown projectile.
It is acceptable to infer from the results shown in the demonstration on Interactive Physics that as the weight of a counterweight on a trebuchet rises, so too should the projectile's range. Except for the fact that the distance did not rise linearly but rather more quadratically, the results support the theory. The results showed that the distance rose as the weight of the trebuchet's counterweight was increased in steps of 5 kilograms, starting at 20 kilograms and ending at 200 kilograms.
Each time, the projectiles were launched from the trebuchet at a 45-degree angle, and their distances typically followed the equation -8.1551E-4x2 +.304388x + 8.12756 (where x is the mass of the counterweight). The graph was thought to be more quadratic than linear because gravity has more time to work against the projectile and pull it down to the earth the longer it is in the air. Therefore, as additional mass is applied and the projectile is in the air for a longer period of time, the projectile distances would not grow as quickly. These findings back up Newton's Third Law of Motion as well as earlier, historical investigations.
Thus, Thomas should launch the trebuchet at a 45º angle to get the farthest thrown projectile.
Learn more about Trebuchet here:
https://brainly.com/question/3876283
#SPJ9
Why is acceleration a vector quantity?
Answer:
Explanation:
Because velocity has both magnitude and direction, it is called a vector quantity; acceleration is also a vector quantity and must account for changes in both the magnitude and direction of a velocity.
does anyone know how yo resolve this?
Brine is used in a chilled water heat exchanger.
Mass flow of brine = 208.75 lb / min
Heat transferred to brine = 5771.9375 Btu/min
Mass flow rate of water in lb/min = 288.597 lb/min
Mass flow rate of water in gpm = 34.5625 g
1. Mass flow of brine
1gm = 8.35 lb / min
Therefore, 25 gm = 25 * 8.35 = 208.75 lb / min
2. Heat transferred to brine = mbrine * Cbrine (T0 – Ti)
= 208.75 * 0.79 (35 - 0)
= 5771.9375 Btu/min
3. Heat lost by water = Heat gained by brine
Mwater * Cwater (Ti - T0) = 5771.9375
Mwater = 5771.9375 / (1 * (55 - 35)) = 288.597 lb/min
4. Mass flow rate of water = 288.597 / 8.35 = 34.5625 g
To know more about Mass flow rate
https://brainly.com/question/13348162
#SPJ1
If 5 smacks = 1 head how many heads are in 1.7 smacks
Answer: 0.34 heads
Explanation:
5 smacks = 1 head
1.7 smacks * 1 head/5 smacks=
1.7 * 1/5=
1.7/5=
1.7/5=0.34 heads
The magnitudes of two displacement vectors are
A = 45 m
and
B = 2 m.
What are the largest and the smallest values (in m) of the magnitude of the resultant
R = A + B?
The largest resultant vector is 47 m and the smallest resultant vector is 43 m.
What is resultant of a vector?The resultant of a vector is obtained by adding the two vectors together.
The resultant vector can be any single vector that can effectively describe the other vectors.
The resultant vector is calculated using the following formulas;
R² = A² + B² - 2AB cosθ
Largest resultant vectorR² = (45)² + (2)² - 2(45 x 2) cos(180)
R² = 2209
R = √2209
R = 47 m
Smallest resultant vectorR² = (45)² + (2)² - 2(45 x 2) cos(0)
R² = 1849
R = √1849
R = 43 m
Thus, the largest resultant vector is 47 m and the smallest resultant vector is 43 m.
Learn more about resultant vector here: https://brainly.com/question/110151
#SPJ1
A bear throws a salmon at 2 m/s horizontally off a 15-meter high cliff in order to feed its baby cub on the ground. Where should the baby cub be located, with respect to the edge of the cliff, in order to catch the salmon?
The location of the baby cub with respect to the cliff would be 6.11 meters.
What is a projectile motion?
It can be defined as the motion of any object or body when thrown from the earth's surface and follows any curved path under the effect of the gravitational force of the earth.
As given in the problem A bear throws a salmon at 2 m/s horizontally off a 15-meter high cliff in order to feed its baby cub on the ground.
Let us first calculate the time to fall down on the ground,
s = ut + 0.5at²
15 = 0 + 0.5×9.81×t²
=3.058 second
The location of the baby cub with respect to the cliff = 2×3.058 second
=6.11 meters
Thus, the location of the baby cub with respect to the cliff would be 6.11 meters.
To learn more about projectile motion from here, refer to the link;
brainly.com/question/11049671
#SPJ1
The Environmental Justice Movement recognizes that historically environmental burdens are often borne by
The Environmental Justice Movement recognizes that historically environmental burdens are often borne by economic, social and environmental justice.
In order words, it gives fair treatment of justice to its system socially, economically, racially and environmental wise
What is environmental justice?Environmental justice can simply be defined as the act of being fair to everyone in the environment in aspect of life; be it economically, socially, racially, or even origin wise
This movement of environmental justice is characterized by treating everyone equally regardless of the similarities and differences which exist between nations, countries, individuals, organizations.
For every system who obvserves this impartial movement, they usually, frequently and most of the time gives balanced humanitarian service which helps to promote them in aspect of life as this does not discriminate anyone in any manner
So therefore, the Environmental Justice Movement recognizes that historically environmental burdens are often borne by economic, social and environmental justice.
Learn more about environmental justice:
https://brainly.com/question/17160849
#SPJ1
Ken is a 78-year-old gentleman with increasing difficulty breathing over the last three months. He also complains of chest pain when he does small amounts of exercise. His doctor is concerned that this may be caused by coronary artery disease. The doctor performs a physical exam showing normal temperature, heart rate, respiratory rate, and a heart and lung exam. Further cardiac testing shows that he does have blockages of the arteries in his heart. He is then placed on medication to control symptoms and help him improve his long-term situation, which is described as fair.
9. Which of the above are symptoms?
10. Which of the above are signs?
11. What is the diagnosis?
12. Is this an acute or chronic condition?
13. What could be the etiology?
14. What is the prognosis?
The symptoms include chest pain and difficulty to breath; signs are heart/respiratory rate and lung assessment, diagnosis > CAD (treatable disease); chronic condition; etiology > plaque buildup.
What is coronary artery disease?Coronary artery disease (CAD) is a disease caused by the plaque buildup in artery heart walls. This disease is mainly due to a sedentary lifestyle and inadequate nutritional habits such as for example, excessive consumption of saturated fats.
In conclusion, the symptoms of Ken include chest pain and difficulty to breath; signs are heart/respiratory rate and lung assessment, diagnosis > coronary artery disease (treatable disease); chronic condition, etiology > plaque buildup in the walls of the arteries.
Learn more about coronary artery disease here:
https://brainly.com/question/933912
#SPJ1
This huge rocket was as tall as a football field is long. Its mass is 3,038,500 kg. If this rocket accelerated from rest at 5 g’s, How much force was used to lift it off the ground?
The force used to lift the huge rocket off the ground is 148,886,500 N.
Force used to lift the huge rocket off the ground
The force used to lift the huge rocket off the ground is calculated as follows;
F = ma
where;
m is mass of the rocketa is the acceleration of the rocketa = 5g
F = m(5g)
F = ( 3,038,500 kg) x (5 x 9.8 m/s²)
F = 148,886,500 N
Thus, the force used to lift the huge rocket off the ground is 148,886,500 N.
Learn more about applied force here: https://brainly.com/question/14428983
#SPJ1
(ii) Which arrow shows the direction of the force of the spring on the ball? Tick the correct box
Part A
From the table, what type of correlation is there between the length of the semimajor axis and the orbital period?
correlation between the length of the semimajor axis and the orbital period is given by Kepler's 3rd law P² = kA³
Kepler's 3rd law is given as
P² = kA³
where
P = period, days
A = semimajor axis, AU
k = constant
Given: for mars
P = 687 days
A = 1.52 AU
Therefore
k = P²/A³
= 687²/1.52³
= 1.3439 x 10⁵ days²/AU³
The third rule of Kepler, sometimes known as the law of harmonies, compares a planet's orbital period and radius to those of other planets. The third law compares the velocity characteristics of many planets, in contrast to Kepler's first and second laws, which describe the motion characteristics of a single planet. The ratio of the squares of the periods to the cubes of their average distances from the sun is compared for each planet individually.To know more about Kepler's 3rd law visit : https://brainly.com/question/11168300
#SPJ1
Answer: There is a positive correlation. A longer semimajor axis corresponds to a longer orbital period.
Explanation:
Lab: Newton's Second Law
40 points!!!!!!!!
The acceleration of an object is dependent upon two variables - the net force acting upon the object and the mass of the object.
Explanation:Newton's Second Law of Motion says that acceleration (gaining speed) happens when a force acts on a mass (object). Riding your bicycle is a good example of this law of motion at work. Your bicycle is the mass. Your leg muscles pushing on the pedals of your bicycle is the force. Newton's second law is a quantitative description of the changes that a force can produce in the motion of a body. It states that the time rate of change of the momentum of a body is equal in both magnitude and direction to the force imposed on it.
A jet aircraft is accelerating at 3.8 m/s2 as it climbs at an angle of 18∘ above the horizontal. (a) Determine the magnitude of the total force that the cockpit seat exerts on the 76- kg pilot? (b) Determine the angle between the positive x axis and the total force that the cockpit seat exerts on the 76- kg pilot, measured counterclockwise.
a. The magnitude of the total force that the cockpit seat exerts on the 76- kg pilot is 288.8 N.
b. The angle between the positive x axis and the total force that the cockpit seat exerts on the 76- kg pilot is 67⁰.
Force exerted on the pilot by the cockpit
The force exerted on the pilot by the cockpit is calculated as follows;
F = ma
where;
m is mass of the pilot
a is acceleration of the jet
F = 3.8 m/s² x 76 kg
F = 288.8 N
The total force exerted on the pilot is equal to the normal reaction of the pilot.
F = Fn
F = mg cosθ
cos θ = F/mg
cos θ = (288.8) / (76 x 9.8)
cos θ = 0.3878
θ = arc cos (0.3878)
θ = 67⁰
Thus, the magnitude of the total force that the cockpit seat exerts on the 76- kg pilot is 288.8 N.
The angle between the positive x axis and the total force that the cockpit seat exerts on the 76- kg pilot is 67⁰.
Learn more about total force exerted here: https://brainly.com/question/388851
#SPJ1
Three point charges, 1=15.4 μC, 2=−34.6 μC, and 3=87.3 μC, are arranged as shown in the figure. The lengths and both equal 70.1 cm. Calculate the electric potential at point A.
