The mass of a body is 2.5 Kg. It is in motion and its velocity v after time t is
v = t3
/3 + t2
/2 +1
Calculate the force acting on the body at the time t=3s.
Answers
Answered by
1
Answer:
30
Explanation:
v = t³/3 + t²/2 + 1
a = dv/dt = 1/3×3t² + 1/2×2t + 0
a = t² + t
F = m×a
= 2.5×t²+t
= 2.5×(3)²+3
= 2.5×12
=30
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