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A solid ball of mass m and radius r is rolling without slipping on a flat horizontal surface, at an initial angular velocity w1. It hits a small bump of height h. What is the angular velocity of the ball immediately after impact? Also, what is the minimum initial angular velocity w1 so that the ball just makes it over the bump? What is the minimum initial speed of the ball? Assume that the ball pivots about the tip of the bump during, and after impact.

him sharma , 11 Years ago
Grade 12
anser 1 Answers
Nirmal Singh.

Last Activity: 11 Years ago


201-2179_201-1804_Untitled (3).png
min. initial velocity v =w1/R
Thanks & Regards
Nirmal SIngh
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