Question

Calculate the kinetic energy of a ball of mass 10 KG and momentum 100g cm per seconds

Answer 1

Answer:

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Answer 2

Answer:

Here is the solution

Explanation:

Given,

Mass(m)=10kg=10000g

Momentum(p)=100gcm

Now,

p=m×v

100=10000×v

v=0.01cm/s

So,

Kinetic Energy= 1/2mv^2

K.E=1/2×10000×0.01×0.01

K.E=0.5ergs