A cart starts from rest on a frictionless horizontal track

PHYSICS · Subjective · CBSE · Physics · Work, Energy and Power · Work, Energy and Power

Problem

4.0\,\text{kg}

cart starts from rest on a frictionless horizontal track. A motor supplies constant power of

50\,\text{W}

to the cart. Calculate the cart’s speed after

5.0\,\text{s}