Question

Find the momentum of a body of mass 100 g having kinetic energy of 20 J​

Answer 1

Here m=100g K.E=20J

Formula for K.E

Ek= kinectic energy , P=momentum, m=mass

ke = \frac{ {p}^{2} }{2m} \\ \\

P^2 = 2m × K.E

= 2 × 20 × 0.1

P^2= 4

Therefore p= 2

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Answer 2

Verified answer ❤⭐

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