How long does it take for a crane to work 5 kJ if its capacity is 250W?

univerkov | December 15, 2020 | education

Convert kiloJoules to Joules:
5kJ = 5000J;
calculate the time using this formula:
t = A / N
t = 5000J / 250W = 20 seconds.
Answer: 20 seconds

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