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A particle of mass m=5.00 kilograms is at rest at t=0.00 seconds. A varying force F(t)=6.00t2?4.00t+3.00...


A particle of mass m=5.00 kilograms is at rest at t=0.00 seconds. A varying force F(t)=6.00t2?4.00t+3.00 is acting on the particle between t=0.00seconds and t=5.00 seconds. Find the speed v of the particle at t=5.00seconds.
Express your answer in meters per second to three significant figures.
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Answer #1

a = (6t^2?4t+3)/5


dv/dt = (6t^2?4t+3)/5


5v = 2t^3 - 2t^2 + 3t = 2*125 - 2*25 + 3*5


v = 43m/s

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