Question

Lightning McQueen is going 173km/hr and his rival no 43 is going a constant 170km/hr. McQueen broken wheel slows him down by 2 m/s2 They are in the final 100m of the track. Who wins the race?

Answer 1

We first compute their speeds in m/s
initial speed of mcqueen
speed of no43

since mcqueen is slowing down, its acceleration is a=-2, while acceleration of no43 is zero as it is at constant velocity

Now displacement

for mcqueen, a = -2

for no43, a=0


Now, , Mcqueen loses and no43 wins