Variable acceleration?
During braking the speed v ms-1 of a car at time t seconds is modelled by v=75−3t^2 until it stops moving.
From the time when braking begins, the distance that the car travels before it stops is ___m
During braking the speed v ms-1 of a car at time t seconds is modelled by v=75−3t^2 until it stops moving.
From the time when braking begins, the distance that the car travels before it stops is ___m
1 Answer
Apr 20, 2018
The distance is
Explanation:
The car stops moving when
That is,
The distance travelled is the integral of the velocity