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- 0

_{0}*sin(Ωt). F

_{0}= 150N, Ω=(2*∏)/t

_{0}, t

_{0}=30s. After t

_{f}=15s we don't pull it anymore.

a) Find average velocity at [t=12s to t=10s], current velocity at t=11s and v(t) before and after the end of pulling.

b) Find x(t).

I am having problems to find velocity ot of force function. Can anyone help me please? :)

Thank you in advance. :)