A ball of mass m is moving with velocity v, having a kinetic energy KE,. If the velocity of thisball is quadrupled (v2 = 4v,), then its new kinetic energy (KE2) will be equal to:A. 9 KE,В. 16 KEС. З КЕ,D. 2 KE,E. 4 KE,O AOcChoose the correct answer00 O O O

The initial kinetic energy of the ball can be determined as, KE1=12mv12 ......…

A ball of mass m is moving with velocity v, having a kinetic energy KE,. If the velocity of this ball is quadrupled (Vz = 4v,), then its new kinetic energy (KE2) will be equal to: А. 9 KE, В. 16 КE, С. З КЕ, D. 2 KE, E. 4 KE, O A О в

A ball of mass m is moving with velocity v, having a kinetic energy KE,. If the velocity of this ball is quadrupled (Vz = 4v,), then its new kinetic energy (KE2) will be equal to: А. 9 KE, В. 16 КE, С. З КЕ, D. 2 KE, E. 4 KE, O A О в

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter11: Energy And Its Conservation

Section: Chapter Questions

Problem 44A

See similar textbooks

Related questions

Q: Consider the motion of a 3.00-kg particle that moves with potential energy given by U(x) = (-2.00 J…

A: Given data The mass of the particle is given as m = 3 kg. The equation of potential energy is given…

Q: 6. A bullet moves with a velocity of 600 m/s and has gained a kinetic energy of 900 J. Compute its…

Q: An accelerating object of mass m=20 kg is fired with an initial speed v;=10 m/s at a starting point.…

Q: A 67.0−kg short-track ice skater is racing at a speed of 12.4 m/s when he falls down and slides…

A: Given Mass of the ice skater is m=67.0 kg Initial speed of the ice skater is v0=12.4 m/s Final…

Q: A 62.0 kg skier starts from rest at the top of a ski slope 55.0 m high. (a) If the frictional forces…

Q: Ball A has twice the mass of Ball B. but ball B is moving twice as fast as ball A. Which of the…

A: Ball A: Mass MA= 2MB=2M speed vA = vBall B: Mass MB= M speed vB=…

Q: 8. Adult cheetahs, the fastest of the great cats, have a mass of about 70 kg and have been clocke…

A: To find: a)The amount of kinetic energy. b)The factor by which the kinetic energy will change if its…

Q: A 1.0 kg baseball is flying at 10 m/s. How much kinetic energy does it have? Potential energy? a.…

A: Given, Mass, M= 1kg, and velocity, v= 10 m/s.

Q: 8) An apple of mass m is thrown horizontally from the edge of a cliff of height H, as shown to the…

A: Mass of apple = m Initial height of apple = H Final height of apple = 0 Initial speed of apple = vo

Q: Suppose that a spacecraft of mass 5.4x103 kg at rest in space fires its rockets to achieve a speed…

Q: The steps of a flight of stairs are 20.0 cm high (vertically).If a 62.0-kg person stands with both…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: 1) How much work is needed to change the speed of a 1837 kg sport utility vehicle from 15.0 m/s to…

A: Given data: Mass (m) = 1837 kg Initial velocity (Vi) = 15.0 m/s Final velocity (Vf) = 60 m/s…

Q: A 67kg students traveling in a car with a constant velocity has a kinetic energy of 1.9 * 10 ^4 j.…

Q: Rene, whose mass is 85 kg, skis down the hill, passing point Z with a kinetic energy of 9 700 J. If…

Q: Which has more kinetic energy: a 0.0010-kg bullet traveling at 389 m/s or a 5.8 107-kg ocean liner…

A: Determine the kinetic energy of the bullet traveling at 389 m/s as follows.…

Q: A stone with a mass of 2.40 kg is moving with velocity (6.20î – 1.80ĵ) m/s. (HINT: v² = v · v.) (a)…

A: Given Massof stone m=2.40kg Initial velocity vi=6.20i-1.80j Final velocity vj=8i+4j

Q: A rock with a mass of 3.80 kg is moving with velocity (5.80î – 2.00j) m/s. (HINT: v? = v- v.) (a)…

A: Change in Kinetic energy is equal to net work done. Also to calculate kinetic energy, we need only…

Q: A 1000.0 kg car is moving at 15 km/h. If a 2000.0 kg truck has 15 times the kinetic energy of the…

A: Given: The mass of car is m=1000 kg. The mass of truck is m'=2000 kg. The speed of car is v=15…

Q: If the resultant force acting on a 18.0 kg object is equal to (4î – 6j)N, what is the kinetic energy…

A: Given data: Mass m = 18 kg Force F=4i^-6j^ Initial position A→=3i^-2j^ Final position B→=4i^-j^

Q: Which has more kinetic energy: a 0.0019-kg bullet traveling at 412 m/s or a 7.3 x 107-kg ocean liner…

A: The equation for the kinetic energy is given by

Q: 3. A projectile of mass 2.00 kg is propelled from ground level with kinetic energy 450 J. At the…

A: Write the given values with the suitable variables. m=2 kgK1=450 JK2=250 Jg=10 m/s2 Here, m, K1, K2,…

Q: 6.00 × 105 J of work are done on a 2210 kg car while it accelerates from 15.0 m/s to some final…

Q: fa Saturn V rocket with an Apollo spacecraft attached had a combined mass of 3.2 x 105 kg and eached…

Q: How much kinetic energy does a student of mass 60. kilograms running at 3.0 meters per second…

Q: Two blocks are free to slide along the frictionless wooden track as shown in the figure. The block…

A: m1 = 5 kg h = 5 m m2 = 10 kg

Q: How fast (in meters per second) must an iron ball with a mass of 41.5 g be traveling in order to…

Q: The change in yours's potential energy if you jumped 60cm vertically if your mass is 70 kg is o…

A: Given data: Height (h) = 60 cm = 0.60 m Mass (m) = 70 kg Acceleration due to gravity (g) = 9.8 m/s2…

Q: Releasing some frustration at the end of the semester, you throw your physics book (mass of 2.7 kg)…

A: Given Mass of book ( m ) =2.7kg Height of building ( h ) = 25m Initial velocity ( u ) = 6m/s

Q: Fatima Kinetic Energy (KE) =% mass times velocity KE = % mv? Name: Potential and Kinetic Energy…

A: Given Data Velocity of body v = 30m/s Kinetic Energy KE = 33,750J Mass of Body to known.

Q: 16. (I) (a) If the kinetic energy of a particle is tripled, by what factor has its speed increased?…

A: We know that K.E. = 12m v2 a) so if K.E. has increased by 3 times than the velocity factor must…

Q: Initial Kinetic Energy, Ko Final Kinetic Energy,Kf Velocity, v Calculations: m = 150 kg k = 1000 N/m…

A: Given, Mass=150kg Spring constant=1000N/m Distance (x)=0.8m Time=8.72sec

Q: C7 15.) A baseball (mass = 145 g) is thrown straight upward with kinetic energy 10.15 J. (a) When…

A: Given Data: The mass of a baseball is, m=145 g The initial kinetic energy of a baseball is,…

Q: 5.3- at What is the kinetic energy of a 1400 kg traveling car 7.4x 10' J B 2.0 x 10 J 7.3x 10 J 2.8…

A: Given: Mass of the car, m = 1400 kg. Velocity of the car, v = 5.3 m/s. To Find: The kinetic energy…

Q: 12. A mass of 1 kg. was released from a 1,000 meter height. What is its Kinetic Energy at the middle…

A: Mass of the object, m=1 kg Total height traveled by the mass, S=1000 m The initial velocity of the…

Q: A 150kg roller coaster car rolls frictionlessly down a 30m tall hill. If the car was initially at…

A: Given data The mass of the roller coaster is: m = 150 kg The height of the hill is h = 30 m The…

Q: A cart of mass 2 kg moves with a velocity of 0.5 m/s along the negative x-direction. The kinetic…

A: The mass of the cart, m=2 kg The velocity of the cart along the negative x-direction, v=-0.5 m/s

Q: 6. A basketball whose mass is 0.640 kg falls from rest through a height of 5.40 m, and then bounces…

Q: Two toy-cars A and Bof masses 200 g and 500 g respectively are moving with the same speed. Which of…

Q: Calculate the ratio of the mechanical energy at B and mechanical energy at A (EB/EA) and (EC/EB).…

Q: Calculate the potential energy, kinetic energy, mechanical energv, velocitv, and height of the…

A: Mechanical energy conserved at each and every point of motion.

Q: If a system consist of 5 particles, how many terms appear in the expression for total potential…

A: According to Newton's law of gravitation, gravitational force acts between any two masses. Each of…

Q: 700 kg is running with a velocity of 5 m/s. How much larger is the horse kinetic energy compared to…

Q: A 62.0 kg skier starts from rest at the top of a ski slope 55.0 m high. (a) If the frictional forces…

A: Given, mass of the skier, m = 62.0 kg height of the hill, H = 55.0 m Work done by frictional force,…

Q: A 0.500 kg bullet is fired from a gun at 25.0 m/s, how much kinetic energy does it have? 156.3…

Q: Two cars are moving. The first car has twice the mass of the second car, but only half as much…

A: Given, Mass of car A (mA)= 2m Mass of car B(mB)= m Kinetic energy of car A (KA)= K Kinetic energy of…

Q: Releasing some frustration at the end of the semester, you throw your physics book (mass of 4.3 kg)…

A: The kinetic energy of the book just after the person let is go is given by, KEi=12mvi2 Here, m is…

Q: A ecreases CHR QUESTION 20 A force acts on a 2.1 kg object in such a way that the position as a…

A: Work done and power related question.

Concept explainers

Helmholtz Free Energy

The Helmholtz free energy is a thermodynamic potential used to calculate the measure of useful work from a closed system. This system is kept at constant temperature and volume. German physicist Hermann Helmholtz introduced this concept in 1882.

Question

A ball of mass m is moving with velocity v, having a kinetic energy KE,. If the velocity of this
ball is quadrupled (v2 = 4v,), then its new kinetic energy (KE2) will be equal to:
A. 9 KE,
В. 16 KE
С. З КЕ,
D. 2 KE,
E. 4 KE,
O A
Oc
Choose the correct answer
00 O O O

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

An 8.0-g bullet has a speed of 800 m/s. (a) What is its kinetic energy? (b) What is its kinetic energy if the speed is halved?
In the Back to the Future movies (https://openstaxcollege.org/l/2lbactofutclip), a DeLorean car of mass 1230 kg travels at 88 miles per hour to venture back to the future. (a) What is the kinetic energy of the DeLorean? (b) What spring constant would be needed to stop this DeLorean in a distance of 0.1m?
(a) Sketch a graph of the potential energy function U(x)=kx2/2+Aex2 where k , A, and are constants. (b) What is the force corresponding to this potential energy? (c) Suppose a particle of mass in moving with this potential energy has a velocity v when its position is x = . Show that the particle does not pass 2+2 through the origin unless Amv2=k22(1e a 2 ) .
Assume that the force of a bow on an arrow behaves like the spring force. In aiming the arrow, an archer pulls the bow back 50 cm and holds it in position with a force of 150 N. If the mass of the arrow is 50 g and the “spring” is massless, what is the speed of the arrow immediately after it leaves the bow?
A pitcher claims he can throw a 0.145-kg baseball with as much momentum as a 3.00-kg bullet moving with a speed of 1.50 103 m/s (a) What must the baseballs speed be if the pitchers claim is valid? (b) Which has greater kinetic energy, the ball or the bullet?
The particle described in Problem 71 (Fig. P5.71) is released from point A at rest. Its speed at B is 1.50 m/s. (a) What is its kinetic energy at B? (b) How much mechanical energy is lost as a result of friction as the particle goes from A to B? (c) Is it possible to determine from these results in a simple manner? Explain.
. In compressing the spring in a toy dart gun, 0.5J of work is done. When the gun is fired, the spring gives its potential energy to a dart with a mass of 0.02 kg. (a) What is the dart’s kinetic energy as it leaves the gun? (b) What is the dart’s speed?
A particle of mass 2.0 kg moves under the influence of the force F(x)=(3/x)N. If its speed at x=2.0 m is v=6.0 m/s, what is its speed at x = 7.0 m?
(a) How fast must a 3000-kg elephant move to have the same kinetic energy as a 65.0-kg sprinter running at 10.0 m/s? (b) Discuss how the larger energies needed for the movement of larger animals would relate to metabolic rates.
A person drops a pebble of mass m1from a height h, and it hits the floor with kinetic energy K. The person drops another pebble of mass m2, from a height of 2h , and it hits the floor with the same kinetic energy K. How do the masses of the pebbles compare?
Suppose a car travels 108 km at a speed of 30.0 m/s, and uses 2.0 gal of gasoline. Only 30 of the gasoline goes into useful work by the force that keeps the car moving at constant speed despite friction. (The energy content of gasoline is about 140 Mi/gal.) (a) What is the magnitude of the force exerted to keep the car moving at constant speed? (b) If the required force is directly proportional to speed, how many gallons will be used to drive 108 km at a speed of 28.0 m/s?
A large cruise ship of mass 6.50 107 kg has a speed of 12.0 m/s at some instant. (a) What is the ships kinetic energy at this time? (b) How much work is required to stop it? (c) What is the magnitude of the constant force required to stop it as it undergoes a displacement of 2.50 km?