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1. |
The acceleration of a particle starting from rest varies with time according to the relation a = - sω2 sin ωtWhat is the displacement of this particle at a time t ? |
A. | s sin ωt |
B. | sω cos ωt |
C. | sω sin ωt |
D. | - 1/2 (sω2 sin ωt)t2 |
Answer» B. sω cos ωt | |