Question

A ball of mass 0.2 kg is moving with a velocity of 20 m/s. Find the impulse on the ball.​

Answer 1

Answer:

Given, m= 0.2 kg. v = 20 m/s, t = 0.1s

F=ma=  

Δt

mΔv

​  

 

∴f=0.2×  

0.1

20

​  

=40N

Explanation:

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Answer 2

F=ma=m( tυ−u )= t−mu

Substituting the values and neglecting the negative sign (because none of the options is negative)

F=

0.1

0.2×20 =40N

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