The apparent weight of man inside a lift moving up with certain acceleration is 900N. When the lift is coming down with the same acceleration apparent weight is found to be 300 N. The mass of the man is (g=10 ms^(-2))

The apparent weight of man inside a lift moving up with certain accele

1.	The apparent weight of man inside a lift moving up with certain acceleration is 900N. When the lift is coming down with the same acceleration apparent weight is found to be 300 N. The mass of the man is (g=10 ms^(-2))
Answer» 45 KG 60 kg 75 kg 80 kg Answer :B