Question

a body of mass 20kg moves with an acceleration of 2m/s². calculate change in momentum

Answer 1

Hey dear friend,

By the formula,
dp/dt=ma
dp/dt=20kg*2m/s²
dp/dt=40kgm/s²

Where,
dp/dt=>Change in momentum
m=>mass
a=>acceleration

perfectly fine pure correct answer
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Answer 2

mass=20kg

acceleration=2m/s²

change in momentum=

F=ma

= 20kg×2m/s²

40kg–m/s²

I hope it help you