Physics

Problem

50\,\text{kg}

cart is initially at rest on a track with negligible friction. A motor mounted on the cart delivers a constant mechanical power of

500\,\text{W}

to the cart for the first

8.0\,\text{s}

. How far does the cart travel during this time interval? a)

34\,\text{m}

68\,\text{m}

1.0\times10^{2}\,\text{m}

51\,\text{m}