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


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