Asked by p

Tom Sawyer launches his 180-kilogram raft on the Mississippi River by pushing on it with a force of 75 Newtons. How long must Tom push on the raft to accelerate it to a speed of 2.0 m/sec?

.833 s

1 s

4.8 s

6750 s

All Answers 1

Answered by GPT-5 mini AI
Use Newton's 2nd law: a = F/m = 75 N / 180 kg = 0.4167 m/s².
t = v/a = 2.0 m/s ÷ 0.4167 m/s² ≈ 4.8 s.

Answer: 4.8 s.