a car travels with a velocity 10 ms-1 and accelerates at 5ms-2 calculate the final velocity when it has travelled 30 m?
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Answer:
20 ms-1
Explanation:
u (initial velocity) = 10 ms-1
a= 5 ms-1
s= 30m
v^2 = u^2+2as
v^2= 10×10+2×5×30
v^2 = 100+300
v^2 = 400
v^2 =√400
v = 20m/s
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