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Q. |
{{}} A white ball of mass 1.0 kg moving with initial speed u = 0.5 m s -1 collides with stationary red ball of same mass, they move forward making angle of 90° between their paths. Their speed is |
A. | 1 m s -1 |
B. | 0.354 m s -1 |
C. | 2 m s -1 |
D. | 3 m s -1 |
Answer» B. 0.354 m s -1 |
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