he kinetic energy of a body is proportional to its weight and to the square of its velocity. An 8 lb body moving at 4 ft/s has 2 ft-lb of kinetic energy. Find the kinetic energy of a 3 ton (6000 lb) truck speeding at 60 mi/hr (88 ft/s).

Q: You accelerate from 0-28 m/s in 6.0 seconds (about 0-60 mi/hr) in your 1300 kg car. a. Create a…

A: Given data: The initial speed is, u =0 m/s The final speed is, v =28 m/s The time required to…

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

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Q: A 0.2 kg bullet is fired at a speed of 350 m/s. a.) How much kinetic energy does the bullet possess?…

A: Given: Mass of bullet, m=0.2 kg Speed of bullet, v=350 m/s   To determine: (a) kinetic energy  (b)…

Q: 1. How much work must be done to stop a 1025-kg car traveling at 67kph? 2. A baseball (m=158g)…

A: Mass of the car m=1025 kgInitial Speed of the car Let, W be the work done on the car to stop…

Q: kinetic energy of the ball

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Q: bayomi drops a rock that has a mass of 5 kg om the top of a cliff. When it hits the bottom has a…

A: mass = m = 5 kg kinetic energy at bottom= Kb= 3.6 x 103 joules height of cliff = ?

Q: A large hoist is lifting a 2000 kg automobile. There is a gauge on the hoist that displays its power…

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Q: 4. A French high velocity train accelerated uniformly from 350km/hr to 500 km/hr as it moves through…

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Q: A 0.60 kg rubber ball is thrown into the air. At a height of 30 m above the ground, it is travelling…

A: Given: Mass,m=0.60kgAcceleration due to gravity,g=9.8m/s2Height,h=30mVelocity,v=18m/s An object's…

Q: 15. A car is traveling to the right at 20 m/s, which gives it a kinetic energy, K. A second…

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Q: A lady is riding her bike w/ speed of 5m/s. If the kinetic energy of the lady and her bike is 550J,…

A: Given data :  Velocity (v) = 5 m/s Kinetic Energy (KE) = 550 J Required:  Combined mass of the lady…

Q: What is the kinetic energy of a 1400 kg car traveling at 5.3 m/s? A. 7.4 x 103 J B. 2.0 x 104 J…

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Q: A 157.0 g baseball has a velocity of 31.8 m/s. What is its kinetic energy in J? KE J

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Q: A weight lifter lifts a 340-N set of weights from ground level to a position over his head, a…

A: The frictional force is that force that tries to resist the motion when trying to move a body over a…

Q: A car is traveling at 10 m/s.a. How fast would the car need to go to double its kinetic energy?b. By…

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Q: The kinetic energy of a car is 1.0 x 10^5 J. Calculate its kinetic energy if the car’s speed is a.…

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Q: what is the kinetic energy in joules of a 1120-kg automobile traveling at 88 km/h?   2. how much…

A: Given, Mass, m = 1120 kg Speed, v = 88 km/h = 88×518=24.44 m/s

Q: Q4. The figure below shows a 500 gram block of wood falling from a certain height. KE: :0 - V, =0…

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Q: A certain truck has twice the mass of a car. They both move with the same speed. If the kinetic…

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Q: A bicycle has a kinetic energy of 124 J. What kinetic energy would the bicycle have if it had ...…

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Q: A 5.0-kg rock falls off of a 10 m cliff. If air resistance exerts a force of 10 N, what is the…

A: mass, m = 5 kg  height, h = 10 m resistive force, f = 10 N  initial velocity, u = 0 m/s

Q: The total energy of an object at rest 10 m above the ground on a building is 200 J. The object is…

A: Given , Total energy at 10m above the ground = 200 J Height ,h = 10m acceleration due to gravity, g…

Q: A34-N box starting at rest slides down a rough 5.0-m long ramp, inclined at 30° with the horizontal.…

A: Given that,Weight of box : W = 34(N)Initial speed : u = 0 (m/sec)Length of ramp : l = 5 (m)Work done…

Q: A net force of 70 N accelerates a 3-kg mass over a distance of 12m. a. What is the work done by…

A: (given)        Net force = 70 N Mass of body = 3 kg         Distance =12 m Work done =Force×distance…

Q: The kinetic energy of a 3.0 kg object moving at a speed of 9.3 m/s would be: а. 130 J b. 260 J с. 28…

A: Given that,Mass, m=3.0 kgVelocity, v=9.3 m/s

Q: 5. There are a variety of units for power. Which of the following would be fitting units of power…

A: Hello. Since your question has multiple question, we will solve the first one for you. If you want…

Q: A man pushes a cart 25m at a constant speed on ground level, against a 36N frictional force. He…

A: Given distance=25m           frictional force=36N           θ=28.50      Work done by the friction…

Q: 3. A baseball with a mass of 0.65 kg was pitch into the air at a height of 25 meter above the ground…

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Q: Two cars have the same mass, but one is moving three times as fast as the other is. How much more…

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Q: A swimmer is on the too of platform which is 10 meters high to prepare himself for the dive. At his…

A: Given  h = 10 m  Potential energy of swimmer at height       h = 10 m  with respect to water surface…

Q: A diver who weighs 500N steps off a diving board that is 10m above the water. The diver hits the…

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Q: A football of mass 2.5 kg is lifted up to the top of a cliff that is 180 m high. How much potential…

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Q: A moving cart has a mass of 2.0 kg. It has 100 joules of kinetic energy. The velocity of the car is…

A: Given Mass of moving cart , m= 2.0 kg Kinetic energy it has , K = 100 joules To find  Velocity of…

Q: 3. What is the potential energy formula?          a. What is the unit of measurements that each has…

A: potential energy [P.E  or U] PE = mgh where, a. PE is the potential energy of the object in…

Q: Jeanine used 250 J of energy to lift a 15 kg box. How far did she lift the box?

A: Given:  Potential energy = PE = 250 Joules Mass = m = 15 kg g = Gravitational acceleration = 9.8…

Q: How much force is required to move a box 25 m using 689 J of energy? A. 0.036 N B. 28 N C. 17000…

A: Given data:  Displacement (d) = 25 m Energy or work done (W) = 689 J Required: Force (F)

Q: A 3.2 kg ball that is moving straight upward has 17 J of kinetic energy and its total mechanical…

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

Q: Missy Diwater, the former platform diver for the Ringling Brothers' Circus had a kinetic energy of…

A: Given data:  Kinetic energy (KE) = 15000 J Mass (m) = 50 kg Required: The velocity (v)

Q: A 1.50 kg model train initially traveling at 0.50 m/s acceler- ates to 1.00 m/s in 10. s. a. What is…

A: Given data: Mass (m) = 1.50 kg Initial velocity (v0) = 0.50 m/s Final velocity (v) = 1.00 m/s Time…

Q: A 1.0 kg ball falls from rest a distance of 15 m. What was its change A. 112.5 J В. 147J С. 15 J D.…

A: given: mass  m =1 kgdistance falls ∆h=15 m