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1. |
The length of a smooth inclined plane of 30-degree inclination is 5 m. The work done in moving a 10 kg mass from the bottom of the inclined plane to the top is _____ Joules. (Assume g = 10m/s2) |
A. | 250 |
B. | 1000 |
C. | 1250 |
D. | 500 |
Answer» B. 1000 | |