A 950-kg pickup slows to rest from a speed of 92.5 km/h in a distance of 140 m. Assume the pickup is initially traveling in the positive direction. a. If the brakes are applied consistently and are the only thing making the pickup come to a stop, calculate the force (in newtons, in a component along the direction of motion of the pickup) that the brakes apply on the pickup. b. Suppose instead of braking that the pickup hits a concrete abutment at full speed and is brought to a stop in 2.00 m. Calculate the force, in newtons, exerted on the pickup in this case. c. What is the ratio of the force on the pickup from the concrete to the braking force
A 950-kg pickup slows to rest from a speed of 92.5 km/h in a distance of 140 m. Assume the pickup is initially traveling in the positive direction. a. If the brakes are applied consistently and are the only thing making the pickup come to a stop, calculate the force (in newtons, in a component along the direction of motion of the pickup) that the brakes apply on the pickup. b. Suppose instead of braking that the pickup hits a concrete abutment at full speed and is brought to a stop in 2.00 m. Calculate the force, in newtons, exerted on the pickup in this case. c. What is the ratio of the force on the pickup from the concrete to the braking force
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A 950-kg pickup slows to rest from a speed of 92.5 km/h in a distance of 140 m. Assume the pickup is initially traveling in the positive direction.
a. If the brakes are applied consistently and are the only thing making the pickup come to a stop, calculate the force (in newtons, in a component along the direction of motion of the pickup) that the brakes apply on the pickup.
b. Suppose instead of braking that the pickup hits a concrete abutment at full speed and is brought to a stop in 2.00 m. Calculate the force, in newtons, exerted on the pickup in this case.
c. What is the ratio of the force on the pickup from the concrete to the braking force?
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