a ball hits a wall horizontally at 6.0 metre per second square it rebounds recently at 4.4 metre per second square the ball is in connect with the wall 40.0 40 seconds what is acceleration of the body
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As theinitial velocity and final velocities are opposite in direction
U -6.0 m/s. V .. 4.4 ms. t0.04 s
Acceleration (a)=
Final velocity (v)-Initail velocity(u) time (t)
=- 4.4 m/s-6.0 m/s/0.04 s
10.4m/s/0.04s=: 260 m/s2
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