Hi there, my question has to do with the velocity of a free falling object. I know that V=Vo + at, but if you dont know the time and the final velocity of the object, can you use another equation? I found this one"V^2=Vo^2 + 2(as)"-s being the distance travelled. Im trying to find the final velocity of an object that fell 134 meters from a bridge. Can somebody tell me please, if this is right, or point me in the right direction?(adsbygoogle = window.adsbygoogle || []).push({});

Distance=134m

Acceleration=9.8m.s^-2

So I did:

V^2=Vo^2 + 2(as)

= V^2=0^2 + 2(9.8 x 134)

=V^2=2(1313.2

=V^2=2626.4

v=51.25 m per second

also i need to know the time, so i did:

t=(v-vo)/a

t=(51.25)/9.8

t= 5.23 seconds

im just not quite sure..also, is this equation for the average velocity or for the final velocity? thanks!!

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# Homework Help: Formula for free-falling object?

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