physics

a car starts from rest and accelerates uniformly at 2m/s for 10second. what is its velocity at the end of 10 second?

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1. V = Vo + a*t = 0 + 2*10 = 20 m/s.

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2. Acceleration=2m/s
Time=10sec
V=Vo+a*t
0+2*10
0+20
20ANS

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3. and car starts from rest and acceleration uniformly at 2 m/second square for 10s .what is it's velocity at the end of 10s.

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