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1. |
A 4kg eagle picks up a 75g snake and raises it 2.5 m from the ground to a branch. What is the work done to raise the bird s own centre of mass to the branch? (Assume g = 10 m/s2) |
A. | 100 J |
B. | 1.875 J |
C. | 118.75 J |
D. | 10 J |
Answer» B. 1.875 J | |