" the mass of a man? if he has to do "2300" ipstes of work in obmibing a toe "5" the "2" is "

How much is the mass of a man if he has to do 2500 joules of work in climbing a tree 5 m tall ? ( g = 10 m s^(-2) )

How much is the mass of a man if he has to do 2500 joule of work in climbing a tree 5m tall ? (g = 10 m//s^(2))

A man can do a piece of work in 5 days, but with the help of his son he can do the same work in 3 days. In what time can the son do it alone?

Dexterity in man means that he has

A man weighning 60 kg is holding of mass 10 kg on his head . What will be the work done by the man if he travels a distance of 20 m in (i) vertical direction ( up or down ? ) (ii) horizontal direction