a student has a mass of 65 kg. he climbs up a flight of 12 stairs. Each stair has a height of 16 cm. The time taken to reach the top is 2.2s (g=10N/Kg).
a. Calculate the students weight.
b. Calculate the gravitational energy gained by the student between the bottom and the top of the flight of stairs.
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Sorry I want some points so I answered
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