Rank the following bodies in order of their kinetic energy, from least to greatest along with reasons. (i) a 4.0-kg body moving at 10.0 m/s; (ii) a 2.0-kg body that initially was at rest and then had 60 J of work done on it; (iii) a 2.0-kg body that initially was moving at 8.0 m/s and then had 40 J of work done on it; (iv) a 4.0-kg body that initially was moving at 10 m/s and then did 80 J of work on another body.

Q: How is it possible to carry books to school without changing the kinetic or potential energy of the…

A: Given Data: Is it possible to carry books to school without changing the kinetic or potential energy…

Q: A young boy is riding a bicycle that has a total mass (including the kid) of 27.6 kg. The boy is…

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Q: Can you expend energy without doing any work? Given an example.

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Q: When a 0.0598-kg golf ball takes off after being hit, its speed is 32.5 m/s. (a) How much work is…

A: Given dataMass of the ball m=0.0598kgspeed of the ball v=32.5 m/s

Q: A 54.0-kg skateboarder starts out with a speed of 1.70 m/s. He does +80.0 J of work on himself by…

A: mass of a skateboarder=54kg Intial speed of skateboarder=1.7m/s Work done by feat=80j Work done by…

Q: In 1990 Walter Arfeuille of Belgium lifted a 281.5-kg object through a distance of 17.1 cm using…

A: Mass of the object m = 281.5 kg distance lifted d = 17.1 cm = 0.171 m

Q: If you push against an immovable object, such as a brick wall, you may tire yourself out, but you…

A: When we apply some force (F) on an object and it gets displaced (d) then work done on the object is…

Q: While running, a person dissipates about 0.60 J of mechanical energy per step per kilogram of body…

A: The expression for the power is as follows: P=WΔtP=W0mΔNΔt…

Q: Is work done whenever an object moves through a distance? Explain.

A: SOlution: To explain, if the work done whenever an object moves through a distance

Q: Q40. Calculate the work done in moving a body of mass 50 kg through a height of 5 m. (g = 10mis) 250…

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Q: (a) What is the kinetic energy of a 1000 kg automobile traveling at 0.44 km/hr? (b) How much work…

A: Given: mass,  m = 1000 kg  speed,v = 0.44 km/h = 0.122 m/s

Q: 0.31-kg particle has a speed of 5.0 m/s at point A and kinetic energy of 7.8 J at point B. (a) What…

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Q: At what speed does a 1900 kg compact car have the same kinetic energy as a 20000 kg truck going 24…

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Q: Bicyclists in the Tour de France do enormous amounts of work during a race. For example, the average…

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Q: A motorcyclist runs out gas on a level road 250 m from the gas station. she pushes the 220 kg…

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Q: what speed does a 1100 kg compact car have the same kinetic energy as a 20000 kg truck going 21 km/h…

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Q: A child drops a baseball from a treehouse. The ball is at rest just before the child drops it, and…

A: Given: The initial velocity of the object is zero. The final velocity of the object is zero.…

Q: motorcyclist runs out of gas on a level road 250 m from the gas station. She pushes the 220 kg…

A: Work = =force ×distance

Q: If you have a ball with a mass of 6.00kg, that has an initial velocity of vA=(2.00i + 5.00j)m/s and…

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Q: A car accelerates from zero to a velocity v. Another car of indentical mass accelerates from zero to…

A: Given value--- A car accelerates from zero to a velocity v. Another car of indentical mass…

Q: (a) What is the kinetic energy in joules of a 880-kg automobile traveling at 90 km/h? = _____Joules…

A: Given data: The mass of the automobile is: m=880 kg The speed of the automobile is: v=90 km/h The…

Q: When a 0.0310-kg golf ball takes off after being hit, its speed is 44.4 m/s. (a) How much work is…

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Q: At what speed does a 1200 kg compact car have the same kinetic energy as a 17000 kg truck going 23…

A: Given: The mass of the car is 1200 kg. The mass of the truck is 17000 kg. The speed of the truck is…

Q: true or false?  When an object slides across a surface and comes to a stop, the amount of energy…

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