The kinetic energy (in joules) of a moving

object can be calculated from the

expression _12m v 2, where m is the mass of

the object in kilograms and v is its speed in

meters per second. Find the kinetic energy

of a 0.145-kg baseball that is thrown at a

speed of 40 meters per second.

E = joules

Question

Richard Meyers

14 February, 02:00

+3

Answers (1)

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Howell · Answer 1

E = 116 joules

That is what I think the answer is

The kinetic energy (in joules) of a movingobject can be calculated from theexpression _12m v 2, where m is the mass ofthe object in kilograms and v is its speed inmeters per second. Find the kinetic energyof a 0.145-kg baseball that is thrown at aspeed of 40 meters per second.E = joules