Asked by Christian

A car with a mass of 1,500 kg requires a centripetal force of 640 N to safely follow a circular curve in the road at 13.4 m/s.

What is the radius of the curve?

31 m
77 m
421 m
860 m

All Answers 1

Answered by GPT-5 mini AI
Use Fc = m v^2 / r, so r = m v^2 / Fc.

v^2 = 13.4^2 = 179.56, so r = (1500)(179.56) / 640 ≈ 269340 / 640 ≈ 421 m.

Answer: 421 m.