a car travelling at velocity 54 km per hour stops in 6 second after the brakes are applied. how much force to the brakes applied to the car if its mass along with its driver is 800 kg?
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Explanation:
2.59 x 10⁷ N
Explanation:
Initial Velocity of car, u = 54 km/h
Final Velocity of car, v = 0 km/h
Time taken by the car to stop, t = 6s = hr = 1.67 x 10⁻³ hr.
Mass of the car, m = 800 kg
We know that, Acceleration, a = = x 10³ = -32.33 x 10³
Now, Force, F = ma = 800 x -32.33 x 10³ = -25868.26 x 10³ = 2.59 x 10⁷N
Hope this helps.
only 7 points xd hehe
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