Mathematics

28 May, 21:33

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

+1

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