Physics

Problem

Equal amounts of work,

150\,\text{J}

each, are done on two carts that start from rest on a smooth track. Cart A has mass

5\,\text{kg}

and Cart B has mass

15\,\text{kg}

. a. (i) Calculate the speed acquired by Cart A. b. (ii) Calculate the speed acquired by Cart B. c. (iii) Which cart gains more kinetic energy per kilogram of its mass? Justify your answer with a calculation.

Browse the problem library