A 1500 kg car is brought to rest by a constant brake force from a speed of 100 km/h within a distance of 60 meters. Determine the acceleration of the car. i) ii) What is the magnitude of the constant force required to bring the car to rest?
A 1500 kg car is brought to rest by a constant brake force from a speed of 100 km/h within a distance of 60 meters. Determine the acceleration of the car. i) ii) What is the magnitude of the constant force required to bring the car to rest?
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Transcribed Image Text:PROBLEM I
A 1500 kg car is brought to rest by a constant brake force from a speed of 100 km/h within a distance
of 60 meters.
(a)
i) Determine the acceleration of the car.
ii)
What is the magnitude of the constant force required to bring the car to rest?
A diver running 3.0 m/s dives out horizontally from the edge of a vertical cliff and
2.5 s later reaches the water below.
(b)
ii)
iii)
How high was the cliff?
How far from its base did the diver hit the water?
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