A particle of mass 100gm is thrown vertically upwards with a speed of 5m/s. The work done by the force of gravity during the time the particle goes up is (g= 10 ms^(-2))

A particle of mass 100gm is thrown vertically upwards with a speed of

1.	A particle of mass 100gm is thrown vertically upwards with a speed of 5m/s. The work done by the force of gravity during the time the particle goes up is (g= 10 ms^(-2))
Answer» `-0.5J` `-1.25J` 1.25J 0.5J Answer :B