A block with an initial kinetic energy of 4.0 J comes to rest after sliding 1.0 m. How far would the block slide if it had 8.0 J of initial kinetic energy?A. 1.4 m     B. 2.0 m      C. 3.0 m        D. 4.0 m

Q: Tarzan swings on a 34.0-m-long vine initially inclined at an angle of 30.0° with the vertical. (a)…

A: Given data: Length of vine, l=34.0 m Angle with the vertical, θ=30.00

Q: jennie throws her phone upward that weighs 55 newtons. the phone travels at a speed of 4 m/s and…

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Q: A bicycle racer, with a mass of 84 kg, is has the same amount of kinetic energy as a car traveling…

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Q: A rope exerts a force F on a 20.0-kg crate. The crate starts from rest and accelerates upward at…

A: Here, mass of the block(m) = 20 kg acceleration (a) = 5 m/s2 intial speed(u) = 0 m/s height…

Q: A 2200 kg car moving at 31 m/s comes to a complete stop.  What is the work done by the breaks of the…

A: Using work-energy theorem, the expression for find work done by the breaks of the car is…

Q: A 5.0 kg rock is dropped from a height of 92.0 m. What is the kinetic energy of the rock when it is…

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Q: A frog jumps upward from the ground.  During the jump, he contacts the ground for the initial 2.5cm…

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Q: 10. A person jumped into the ocean from a car which was 320 m above the water's surface. He had a…

A: Given: mass of person, m = 94 kg  Initial height of person, h1 = 320 m final height, h2 = 75 m

Q: At the low point in its swing, a pendulum bob with a mass of 0.7 kg has a velocity of 11 m/s. (a)…

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Q: A woman runs up to the top of a hill. The gain in her potential energy is U. If she runs up the same…

A: when a woman runs up to the top of a hill , she gain potential energy that is U. Now she runs up the…

Q: A boulder (a huge rock) has 5000 J of potential energy at the top of a cliff. If the cliff is 255 m…

A: Given: The potential energy is E=5000 J. The height is h=255m. The expression for mass (m) of the…

Q: An object moves along the x axis, subject to the potential energy shown in the figure. (Figure 1)…

A: Givenm=3.0 kg

Q: A coin starts from rest and slides down an incline. It then slides horizontally on the table until…

A: Initially, when the coin is at rest on the incline, total energy is equal to the potential energy.…

Q: You lift straight up a 4kg box to a height of 2 meters above the ground. The box moves at a constant…

A: Given  Mass of box m=4kg Height raised h=2m

Q: A 15.0-g bullet is accelerated from rest to a speed of 780 m/s in a rifle barrel of length 72.0 cm.…

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Q: You throw 0.50 kg object vertically up with a speed of 15 m/s (g = 9.80 m/s2 ).  What is the kinetic…

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Q: 25. Review. You can think of the work-kinetic energy theorem GP as a second theory of motion,…

A: a) Let the mass of the bullet be denoted by m.The initial and final velocity of the bullet be…

Q: A body is falling from a height of 10 m. What is the ratio of its kinetic energy to the potential at…

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Q: A 5.39 kg object is initially traveling at 32.8 m/s. During the next 240 seconds – 683 J of total…

A: Given:Mass of the object = 5.39 kgInitial velocity = 32.8 m/sWork done = - 683 J

Q: A running 51-kg cheetah has a top speed of 31 m/s.  (a) What is the cheetah's maximum kinetic…

A: (a) The expression for the kinetic energy is written as, Here, m and v represent the mass and the…

Q: Estimate the kinetic energy of your car as you are driving down the highway. (If you don’t own a…

A: let the car intially travel on road at height h with initial speed u. Let the mass of car be m

Q: Two blocks of masses My=1 kg and Mo= 2 kg are connected by a very light string passing over a…

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Q: A 655 kg car accelerates from 10 m / s to 32 m / s while passing another car. What were its initial…

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Q: A 20 kg brick moves along an x axis. Its acceleration as a function of its position is shown below.…

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Q: A ball is dropped from an edge of a cliff. (a) Which of the graphs could possibly show how the…

A: The kinetic energy is the energy arising due to the motion of an object. kinetic energy can be…

Q: Mark pushes his broken car 190 mm down the block to his friend's house. He has to exert a 160 NN…

A: distance moved = 190 m force exerted = 160 N speed = constant

Q: 2 kg ball is rolling down a hill, which is initially rest. (A as initial position, B as final…

A: mass = m =2kg at point A initial velocity = VA= 0 m/s height = h = 10 m

Q: A running 40-kg cheetah has a top speed of 31 m/s. (a) What is the cheetah's maximum kinetic energy?…

A: Answer:-  Given  Mass(m) = 40 kg  Speed (V) = 31 m/s  (a) We know that  Kinetic energy (K.E) = (1/2)…

Q: Mark pushes his broken car 150 m down the block to his friend’s house. He has to exert a 110 N…

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Q: You throw a .50kg object vertically up with a speed of 15m/s  what is the kinetic energy of the…

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Q: A 2500 kg car accelerates from rest to a velocity of 30.0 m/s in 8.00 seconds. The work done by the…

A: Given Data : Mass of car M  = 2500 Kg Velocity of Car V = 30m/s  Initial Velocity of Car  u= 0 work…

Q: hen a body is brought down from a height H, to height H2, the Potential Energy of the body…

A: Potential energy = mgh

Q: You lift straight up a 4kg box to a height of 2 meters above the ground. The box moves at a constant…

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Q: Benny high on the diving board has a gravitational potential energy of 1,089 J at this point. Then…

A: Given, Initial gravitational potential energy = 1089  Initial Kinetic energy = 0 J  Final potential…

Q: A 60 kg runner in a sprint moves at 11 m/s. A 60 kg cheetah in a sprint moves at 33 m/s. By what…

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Q: A 155g baseball is thrown so that it acquires a speed of 35m/s .  a) What is it's kinetic energy .…

A: (a) The kinetic energy of the baseball can be written as KE=12mv2KE=12155 g×10-3kg1 g35 m/s2KE=94.9…

Q: A ball slows down as it rolls up a hill. What is the value of the change in its kinetic energy, AE?…

A: (a) Gravitational force acting on  block of mass  'm'  will make accelerate the system and therefore…

Q: A 600 N person climbs a ladder at a constant speed. The person climbs up 12 meters in a time of 20…

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Q: A running 62-kg cheetah has a top speed of 32 m/s. (a) What is the cheetah's maximum kinetic energy?…

A: Given data: Mass (m) = 62 kg Speed (v) = 32 m/s

Q: You throw a glove straight upward to celebrate a victory. Its initial kinetic energy is K and it…

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Q: When an object is lifted by a crane, it begins and ends its motion at rest. The same is true of an…

A: As in both the case the object is at rest when it is raised by the crane or pushed on the hard…

Q: A 10 kg brick moves along an x axis. The scale of the figure’s vertical axis is set by as 20.0 m/s2.…

A: Given Data: The mass of the brick is, m=10 kg According to the question, the graph is as follows,…

Q: A 10.0 kg marble is moving at an initial speed of 2.00 m/s. A constant force is applied to the…

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