A sports car approaches a highway on-ramp at a velocity of 20.0m/s . If the car accelerates at a rate of 3.2m/s2 for 5.0s , What is the displacement of the car ?
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Given u = 20m/s
a = 3.2m/s2
t = 5 sec
s = ut + 1/2*at^2 => 20*5 + 1/2(3.2*25)
s = 100 + 1/2*(80) => 100 + 40 = 140 m
So displacement is 140m.
a = 3.2m/s2
t = 5 sec
s = ut + 1/2*at^2 => 20*5 + 1/2(3.2*25)
s = 100 + 1/2*(80) => 100 + 40 = 140 m
So displacement is 140m.
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