Question

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Answer 1

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Answer 2

Answer:

Hello mate

I will help

. We have

$force = \frac{impulse}{time}$

And impulse = mass * change in velocity

Time =0.075

Mass = 150g =

$mass = 1.5 \times {10}^{ - 1}$

Change in velocity = V - u

$= 20 - ( - 12)$

$= 32 \frac{m}{s}$

We have

$\: force = mass \times change \: in \: velocity \\ force = \: \frac{1.5 \times {10}^{ - 1} \: \times 32 }{0.01}$

Therefore force = 480 N