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In Physics / High School | 2014-11-13

How long does it take to do 432 joules of work with 75 watts of power?

Asked by hornkjh

Answer (2)

Power = energy / time
Multiply each side by 'time', then divide each side by 'power':
Time = energy / power
Time = 432 / 75 = 5.76 seconds

Answered by AL2006 | 2024-06-10

It takes approximately 5.76 seconds to do 432 joules of work with a power of 75 watts. This is calculated using the formula Time = Power Energy ​ . When substituting 432 joules for energy and 75 watts for power, we find the time required is 5.76 seconds.
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Answered by AL2006 | 2024-12-26