Help with physics problem: accelerated 1 dimensional motion?

M

Mitzuki

New member
your friend who lives 2 floors above you (10m) forgot his keys in your room. If you throw the keys up to her wirth a velocity of 15m/s find the time it takes your friend to catch the keys,( remember; free-falling)

a.On the way up
b. On the way down
c. The times it takes the keys to reach the highest point.



please help!!!
 
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