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Physics

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In the figure below, a runaway truck with failed brakes is moving downgrade at 114 km/h just before the driver steers the truck travel up a frictionless emergency escape ramp with an inclination of 15°. The truck's mass is 5000 kg.

(a) What minimum length L must the ramp have if the truck is to stop (momentarily) along it? (Assume the truck is a particle, and justify that assumption.)
m
(b) Does the minimum length L increase, decrease, or remain the same if the truck's mass is decreased?
remain the same
decrease
increase
(c) Does the minimum length L increase, decrease, or remain the same if the truck's speed is decreased?
increase
decrease
remain the same

  • Physics - ,

    turn up bro

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