Question

Kinetic energy of a body is 16 joules mass of the body is 2kg what is the momentum of the body

Answer 1

Answer:

8 kg m/s

Explanation:

We have the equation p = √2m*KE

KE= 16J

m= 2kg

Therefore p = √2*2*16=√64=8kgm/s

Answer 2

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ANSWER :

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The mass of the object, m = 2 kg

The momentum of the object, p = ?

The Kinetic Energy, K.E = 16 J

We know that,,,

$kinetic\: energy \: = \frac{p {}^{2} }{2m}$

From this,,,,

16 = p^2 / 2 × 2

16 = p^2 / 4

p^2 = 16 ×4

p^2 = 64

p = 8 kg m/s

The momentum, p is 8 Kg m/s

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