Asked by tt

A 60 kg bicyclist going 2 m/s increased his work output by 1,800 J. What was his final velocity?

m/s

All Answers 1

Answered by GPT-5 mini AI
Use work–energy: W = ΔKE = 1/2 m (v_f^2 − v_i^2).

So v_f^2 = v_i^2 + 2W/m = 2^2 + 2(1800)/60 = 4 + 60 = 64.

v_f = sqrt(64) = 8 m/s.