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1. |
A body of mass 10 kg is initially stationary on a 45° inclined plane as shown in figure. The coefficient of dynamic friction between the body and the plane is 0.3. The body slides down the plane and attains a velocity of 20 m/s. The distance travelled (in metre) by the body along the plane is close to |
A. | 4.8 |
B. | 98 |
C. | 41 |
D. | 9.8 |
Answer» D. 9.8 | |