Question

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the mas of a body is 20 kg. It is moving with a speed of 10 m/s . What is its kinetic energy?

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Answer 1

$\huge\mathfrak\green {* Answer*:}$

m = 20 kg

v = 10 m/s

as we know K.E = 1/2 mv^2

K.E = 1/2 × 20 × (10)^2 J

= 10×100 = 1000J

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Answer 2

Answer:

The kinetic energy of the composite mass will be 800 Joule.