ononiwuclement14 ononiwuclement14

18-02-2024
Physics

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A man expands energy at the rate of 200Js-1 in ascending a vertical of 44m. If his mass is 75kg,determine the time taken. [g=10ms-2]

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jsimpson11000 jsimpson11000

18-02-2024

Explanation:

mgh would be the J representing his increase in potential energy

75 kg * 10 m/s^2 * 44 m = 33 000 J

Then if he uses 200 joules per second :

33000 J /( 200 J/s ) = 165 seconds

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