The table shows the average power delivered to a machine during successive intervals

PHYSICS · Single correct · CBSE · Physics · Work and Energy · Work and Energy

Problem

The table shows the average power delivered to a machine during successive

2\,\text{s}

intervals. Time interval (s): 0–2 2–4 4–6 6–8 Average power (W): 100 150 120 130 What is the total work done on the machine during the entire

8\,\text{s}

period? (a)

8.0\times10^{2}\,\text{J}

(b)

2.0\times10^{3}\,\text{J}

(c)

1.0\times10^{3}\,\text{J}

(d)

9.8\times10^{2}\,\text{J}