Fatigue strength is generally significantly improved by using high steel a. alloy b. yield c. hardened d. ultimate strength e. a
1 answer:
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Explanation:
It is given that,
Mass of the car, m = 875 kg
Initial speed of the car, u = 30 m/s
Brakes are applied i.e. v = 0
The car skids for 5.60 s in the positive x - direction before coming to rest, t = 5.6
(a) Acceleration of the car,
(b) Force, F = ma
F = -4681.25 N
So, the force of 4681.25 N is acting on the car.
(c) Let x is the distance covered by the car. So,
x = 84.11 meters
So, the distance covered by the car is 84.11 meters. Hence, this is the required solution.