The work done by a constant force on a trolley increases uniformly from at to at

PHYSICS · Multi-part · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

The work done by a constant force on a trolley increases uniformly from

0\,\text{J}

t = 0\,\text{s}

36\,\text{J}

t = 6\,\text{s}

. After this, the work remains unchanged up to

t = 10\,\text{s}

. (i) Calculate the power developed during the first

6\,\text{s}

. (ii) What is the power in the interval

6\,\text{s}

10\,\text{s}