A time-varying horizontal force F(t) = At⁴ + Bt² acts for 0.500 s on a 12.25-kg object, starting at time t = 1.00 s. 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?

Question

Quizplus · Accepted Answer

The Answer is (a) A: N/s⁴ = kg ∙ m/s⁶ , B: N/s² = kg ∙ m/s4
(b) 12.9 N ∙ s, horizontally

A Time-Varying Horizontal Force F(t) = At4 + Bt2 Acts

A Time-Varying Horizontal Force F(t) = At⁴ + Bt² Acts