A ball of mass 0.15; kg hits the wall with it | vedclass

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Question

$\overrightarrow{ P }_{ i }=0.15 	imes 12(\hat{\hat{i}})$

$\overrightarrow{ P }_{ f }=0.15 	imes 12(-\hat{ i })$

$|\overrightarrow{ P }|=3.6 k

Vedclass · Accepted Answer

$0.036$

Vedclass · Answer

$\overrightarrow{ P }_{ i }=0.15 	imes 12(\hat{\hat{i}})$

$\overrightarrow{ P }_{ f }=0.15 	imes 12(-\hat{ i })$

$|\overrightarrow{ P }|=3.6 kg - m / s$

$3.6= F \Delta t$

$3.6=100 \Delta t$

$\Delta t =0.036\,sec$

A ball of mass $0.15\; kg$ hits the wall with its initial speed of $12 \;ms ^{-1}$ and bounces back without changing its initial speed. If the force applied by the wall on the ball during the contact is $100\; N$. calculate the time duration of the contact of ball with the wall $.........cm$

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