Physics, asked by GoutamArya7576, 1 year ago

A ball having momentum 15 kgm/sec strikes against the wall at 30 degeree nd reflects back with the same momemtum nd angle find the impluse

Answers

Answered by Satyamrajput
0
As we can see in the diagram only in y direction the momentum changes while in x direction it's constant.

Impulse
=Change in momentum
=mvcos30-(-mvcos30)
=2mvcos30
=2×15×1.732/2
=15×1.732
=25.98m/s
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