A ball of mass 20 gram hits a wall at an angle of 45 degrees with a velocity of 15 metre per second if the ball rebounds at 90 degrees to the direction of incidence calculate the impulse received by the ball
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In the above query, let initial velocity be u, therefore final velocity = -u.
As the ball hits at 45 degrees and resolving the final and initial velocity, Cos components cancel each other while the sin components gets added up.
Therefore, change in momentum = 2 mu sin 45 = 0.42 kg/s
As the ball hits at 45 degrees and resolving the final and initial velocity, Cos components cancel each other while the sin components gets added up.
Therefore, change in momentum = 2 mu sin 45 = 0.42 kg/s
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