how would i got about solving this question?
you toss a 52.1g ball straight up. The ball leaves your hand at 7.53m/s. How high above your hand does the ball go?
Hint: The force of gravity does work.

Question

how would i got about solving this question?
you toss a 52.1g ball straight up.  The ball leaves your hand at 7.53m/s.  How high above your hand does the ball go?
Hint: The force of gravity does work.

ujjwal · Answer

V^2= U^2- 2gh
put V=0
the value of h you get is your answer.

anonymous · Answer

where do i put the mass value?

anonymous · Answer

@ujjwal ?

ujjwal · Answer

nowhere.. that isn't even needed!

anonymous · Answer

i dont get the answer in my box, the anwer is 2.89m and thats not what im getting ....

ujjwal · Answer

you get 2.89.. use the formula correctly. put V=0, U=7.53 and g=9.8 .. you will then get a value 2.892903061.. (to be precise)

anonymous · Answer

nvm .. i figured out what i did wrong.  thanks so much for the help :)