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idontknow1993
11.07.2019 •
Physics
The driver of a car wishes to pass a truck that is traveling at a constant speed of 20.5 m/s . initially, the car is also traveling at a speed 20.5 m/s and its front bumper is a distance 23.9 m behind the truck's rear bumper. the car begins accelerating at a constant acceleration 0.640 m/s2 , then pulls back into the truck's lane when the rear of the car is a distance 26.3 m ahead of the front of the truck. the car is of length 4.90 m and the truck is of length 20.2 m
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Ответ:
total distance moved by the car
now given that the acceleration of the car is
a = 0.640 m/s^2
initial speed of both is given same so relative speed is zero
now we can use kinematics
so it will take 15.33 s to overtake and reach the given distance
Ответ: