Question

Calculate the work done by a bulldozer of power 5000W in 15 seconds

Answer 1

75kJ

Step-by-step explanation:

Formula :

Work done = Power × Time

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Given :

⇒ Power = 5000 W = 5kW

⇒ Time = 15 seconds

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Solving :

⇒ Work done = 5kW × 15s

⇒ Work done = 75kJ

Answer 2

`\text{Work done,}~W = Pt \\\\~~~~~~~~~~~~~~~~~~~~=5000~W * 15 ~s\\\\~~~~~~~~~~~~~~~~~~~~=75000~ J`