A ball of mass 1kg moving with a speed of 10mper second rebound after striking normally a perfectly elastic wall .what is change in linear momentum of the ball?
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⛦Hᴇʀᴇ Is Yoᴜʀ Aɴsᴡᴇʀ⚑
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➧ m = 0.5 kg
➧ u = 10 m/s
➧ v = -10 m/s
➧ Initial momentum = m
➾ u = 0.5 x 10
➾ 5 kg m/s
➧ Final momentum = mv
➾ 0.5 x (-10)
➾ -5 kg m/s
➧ Change in momentum = mv - mu
➾ -5-5
➾ -10 kg m/s ...✔
__________
Thanks...✊
▬▬▬▬▬▬▬▬▬▬▬▬☟
➧ m = 0.5 kg
➧ u = 10 m/s
➧ v = -10 m/s
➧ Initial momentum = m
➾ u = 0.5 x 10
➾ 5 kg m/s
➧ Final momentum = mv
➾ 0.5 x (-10)
➾ -5 kg m/s
➧ Change in momentum = mv - mu
➾ -5-5
➾ -10 kg m/s ...✔
__________
Thanks...✊
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