Physics

Problem

Blocks A (

2.0\,\text{kg}

) and B (

8.0\,\text{kg}

) each start from rest on identical frictionless tracks. The same winch delivers constant mechanical power of

60\,\text{W}

to each block. After

3.0\,\text{s}

, what is the ratio of their accelerations

a_A/a_B