A man whose mass is 70kg climbs from a hill station a to another hill station b the height of hill station a is 1200 m above the sea level and that of b is 1800 m above the sea level calculater the work done in going from a to b ( g =10m/s2)

A man whose mass is 70kg climbs from a hill station a to another hill

1.	A man whose mass is 70kg climbs from a hill station a to another hill station b the height of hill station a is 1200 m above the sea level and that of b is 1800 m above the sea level calculater the work done in going from a to b ( g =10m/s2)
Answer» ostheta=mg (1800-1200)×cos180=70×9.8×600×-1

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A man whose mass is 70kg climbs from a hill station a to another hill station b the height of hill station a is 1200 m above the sea level and that of b is 1800 m above the sea level calculater the work done in going from a to b ( g =10m/s2)

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