The man having the weight of 150 lb is able to run up a 15-ft-high flight of stairs in 4 s. Determine the power generated. How long would a 100-W light bulb have to burn to expend the same amount of energy? Conclusion: Please turn off the lights when they are not in use!

Explanation:

Given data

The weight of man W=150 lb

The man can run up stairs of height h=15 ft in time t=4s

The work done by man

The power generated by the man

Power of bulb

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hope this : )

layers of the earth affect the waves and these effects are seen on instruiments such as seimometers