Asked by Bash

Just as a car starts to accelerate from rest with an acceleration of 1.4m/s2,a bus moving with a constant speed of 12m/s passes it in a parallel line.
1.How long the car overtakes the bus.
2.How fast will the car then be going.
3.How far will the car then have gone.

Answers

Answered by drwls
1. Xcar = 0.7 t^2
Xbus = 12 t
0.7t^2 = 12t
0.7 t = 12
t = 17.14 seconds
Set Xbus = Xcar and solve for t
2. Use the t from part 1 and
Vcar = 1.4 t
to get the car's velocity.
3. Use the t from part 1 and either of the X equations, to get the distance travelled.
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