You are riding in a motorcycle moving at a speed of 120 km/hr, when you realize
ID: 2134146 • Letter: Y
Question
You are riding in a motorcycle moving at a speed of 120 km/hr, when you realize the car 60m in front of you is moving at a speed of 50 km/hr. What must your constant acceleration be so that the closest distance between you and the car in front is 7m?
You are riding in a motorcycle moving at a speed of 120 km/hr, when you realize the car 60m in front of you is moving at a speed of 50 km/hr. What must your constant acceleration be so that the closest distance between you and the car in front is 7m? You are riding in a motorcycle moving at a speed of 120 km/hr, when you realize the car 60m in front of you is moving at a speed of 50 km/hr. What must your constant acceleration be so that the closest distance between you and the car in front is 7m?
Explanation / Answer
for this to happen motorvehicle should have velocity equal to car after moving 53 metres relative to the car
intial relative velocity=70kmph=u
put v=0
s =53,
use v^2-u^2=2as and find a
a is required acceleration
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