The kinetic energy of a motorcycle and rider is 59,600 J. If their total mass is 286 kg, what is their speed (in m/s)? m/s

Q: a crane lifts an I-beam to a height of 30 meters, giving it a gravitational potential energy of…

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Q: A ball has 475 J of energy while in motion. If the ball is moving at 30 m/s, what is the mass of the…

A: Given Data:--The energy is E=475 J-The velocity is v=30 m/sThe formula for kineticenergy is,E=12mv2…

Q: How much power is used if a force of 65 N is used to push a box a distance of 8 m in 9 s?

A: Required :  Power used.

Q: A machine performs with 756 watts of power over the course of 25 seconds. What work did this machine…

A: We have to calculate the work done (W) by machine. Power of the machine (P) = 756 Watts…

Q: How much joules of energy is needed to change the speed of a 1,900 kg sport utility vehicle from…

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Q: A carpenter swings a 8.7-kg hammer so that its speed is 9.2 m/s just before it strikes a nail.…

A: Given data The hammer’s mass is: m = 8.7 kg The initial speed of the hammer is: u = 9.2 m/s The…

Q: The kinetic energy of a 68 -kg athlete running at a velocity of 4.5 m/s is about

A: Given  Mass of athlete = m = 68 kg  Velocity of athlete = v = 4.5 m/s  The kinetic energy is to be…

Q: The kinetic energy of a 2400 kg of car that is moving with a speed of 25 m/s is?

A: (given) Mass of a car = 2400 kg Speed of the car = 25 m/s Kinetic energy: Kinetic energy of an…

Q: A 14 kilogram boulder falls off a cliff and strikes the ground after falling 40 meters. How much…

A: Given data- Mass of boulder m=14 kg It strikes the ground after falling 40 meters so h=40 m

Q: A 5 kg object is moving with a speed of 4 m/s at a height of 2m . What is the kinetic energy?

A: Given Data : The mass of the object is given as m = 5Kg. The speed of the object is given as v = 4…

Q: The work done to increase the velocity of a car of 800 kg from 5 m/s to 10 m/s is

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Q: An object moving with a speed of 21 m/s and has a kinetic energy of 140 Joules, what is the mass of…

A: Energy is a scalar which is defined as the capacity of the object to do work. There are several…

Q: It took a 36,000 Newton force to make a car move 1,500 meters. How many Joules of work is performed…

A: Given: Force F=36000N Displacement d =1500 m To find: Work W=??

Q: A 75 kg sprinter accelerates from 0 to 8.0 m/s in 5.0 s. What is the metabolic energy, in kJ…

A: Given data:  Mass (m) = 75 kg Initial velocity (v0) = 0 m/s Final velocity (v) = 8.0 m/s Time (t) =…

Q: What is the mechanical energy of a moving object that has a mass of 5 kg, a velocity of 3 m/s and is…

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Q: A 1,328 kg car is driving up a 992.2 meters mountain. If it will take 1.782 minutes to get to the…

A: Given: The mass of the car is 1328 kg. The height of the mountain is 992.2 m. The time taken by the…

Q: A softball with a mass of 0.18 kg is moving at a speed of 45 m/s. What is the softball's kinetic…

A: The expression for the kinetic energy of the ball is, KE=12mv2

Q: If 92 Joules of work are needed to move a crate a distance of 6 meters, what is the weight of the…

A: Definition of work done Work done is by a force is measured as W=F×d ................(1) Where F is…

Q: When a golf ball is hit, it travels at 41 meters per second. The mass of a golf ball is 0.045 kg.…

A: The kinetic energy of the golf ball can be given by KE=12mv2

Q: How much work is done by a machine to lift 750 kg of bricks to a height of 8.2 m?

A: Work done = gain in the potential energy by the bricks = m×g×h Here, m= 750 kg            g= 10 m/s2…

Q: How much work is done lifting a 30 kilogram block 3 meters?

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Q: How much work is done to get a 60 kg object to go from 5 m/s to 15 m/s?

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Q: A very heavy car is moving down the road and has 1,000,000 joules of kinetic energy. if the car has…

A: Given data:  A very heavy car moving down the road  Kinetic energy (KE) = 1,000,000 J New mass (m')…

Q: A 1,148 kg car is driving up a 1,692.1 meters mountain. If it will take 2.599 minutes to get to the…

A: The given data are: m=1148 kgh=1692.1 mt=2.599 m Here, m is the mass, h is the height, and t is the…

Q: An object has a kinetic energy of 25 J and a mass of 34 kg , how fast is the object moving?

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Q: How much power is required to lift a 3061 g chair at a height of 0.20 m in 2 s?

A: Mass of chair = 3061 gm = 3.061 kg. Weight = 3.061 ×9.8 = 30 N Workdone to lift the chair to 0.2 m…

Q: A car slows from 30 m/s to 18 m/s . If the car's mass is 1200 kg, how much work was done to slow the…

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Q: How much work is done lifting a 40 kilogram block 3 meters?

A: Given data:  Mass (m) = 40 kg Height (h) = 3 m Required: Work done (W)

Q: TA spring has a natural length of 14 ft. If a force of 500 lbs is required to keep the spring…

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Q: If 10,000 J of work was done to raise a 225 kg box, how high was the box raised?

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Q: how much work is done when a box is pushed with a force of 10n for 4 m across the floor

A: Here the force is 10N, and the distance is 4m,

Q: If energy cost 5 cents per kilowatt-hour, how much is one horsepower-hour worth?

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Q: If a vehicle has a horsepower of 300, how much energy does it burn in 2 minutes?

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Q: If a 1000 kg body is moving at 5 m/s, what is the kinetic energy?

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Q: The energy needed to increase the speed of a certain car from 22 m/s to 44 m/s is 240 kJ. What is…

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Q: What is the horsepower of a 1,500.0 kg car that can go to the top of a 371.0 m high hill in exactly…

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Q: A boy uses a string to swing a 3 kg stone around his head. If the string is 1.9 m, and can bear a…

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Q: The kinetic energy of a car with a mass of 1250 kg traveling at a speed 35 m/s is?

A: The equation for kinetic energy is, K=12mv2 Here K is the kinetic energy, m is the mass and v is the…

Q: A weightlifter lifts a 1450 Newton barbell 1.5 m in 3 seconds.  How much power did the weightlifter…

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Q: The Kinetic energy of a motorcycle and rider is 60,000J. If their total mass is 300 kg, what is…

A: Given data The kinetic energy of the motorcycle and rider is given as KE = 60000 J. The mass is…

Q: How much work is required to stop a 2000 kg car moving with a speed of 30 km/hr?

A: Data Given ,  Mass of the car ( m ) = 2000 kg Velocity ( v ) = 30 km/hr = 30 × 518 m/s…

Q: What is the work done in lifting a 60kg block to a height of 20 m?

A: The given values are, m=60 kgh=20 m

Q: what is the kinetic energy of a 1500 pound car traveling at 40 meters per second

A: Write the given values of the problem- Speed(v)=40 m/s Mass=1500 pound 1 pound=0.453 kg m=1500…

Q: How many foot-pounds of work is done when a 2,000 pound airplane is rolled up a 20 foot ramp onto a…

A: Given data:  Weight (mg) = 2,000 pound Vertical height (h) = 3 foot Required: Work done (W)

Q: How much is the power of a machine that does 3000 J in 4 s?

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Q: A student slides a 2,50 kg textbook across a table, and it comes to rest after travelling 1.15 m.…

A: Given: Mass of the book: m = 2.50 kg Displacement of the book: d=1.15 m The friction coefficient…

Q: The kinetic energy of a motorcycle and rider is 45,000 J. If their total mass is 250 kg, what is…

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