Short Answer
A time-varying horizontal force F(t)= At4 + Bt2 acts for 0.500 s on a 12.25-kg object,starting at time 
.In the SI system,A has the numerical value 4.50 and B has the numerical value 8.75.
(a)What are the SI units of A and B?
(b)What impulse does this force impart to the object?
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(a)A: N/s4 = kg • m/s...View Answer
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