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A skateboarder rolls down a 13-m long ramp. They start from rest and accelerate at a constant rate of 2.5 m/s Multiple Choice Questions 7) How fast is the skater going at the bottom of the ramp? a) 3 m/s c) 5 m/s b) 4 m/s d) 6 m/s 8) How much time does it take the skater to reach the bottom of the ramp? a) 1.6 s c) 2.7 s b) 2.3 s d) 3.2 s e) 7 m/s f) 8 m/s e) 3.9 s f) 4.5 s

A skateboarder rolls down a 13-m long ramp. They start from rest and accelerate at a constant rate of 2.5 m/s Multiple Choice Questions 7) How fast is the skater going at the bottom of the ramp? a) 3 m/s c) 5 m/s b) 4 m/s d) 6 m/s 8) How much time does it take the skater to reach the bottom of the ramp? a) 1.6 s c) 2.7 s b) 2.3 s d) 3.2 s e) 7 m/s f) 8 m/s e) 3.9 s f) 4.5 s

College Physics
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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Scenario #4: Stoked Skater A skateboarder rolls down a 13-m long ramp. They start from rest and accelerate at a constant rate of 2.5 m/s Multiple Choice Questions 7) How fast is the skater going at the bottom of the ramp? a) 3 m/s c) 5 m/s d) 6 m/s b) 4 m/s 8) How much time does it take the skater to reach the bottom of the ramp? a) 1.6 s c) 2.7 s d) 3.2 s b) 2.3 s e) 7 m/s f) 8 m/s e) 3.9 s f) 4.5 s Short Answer Question In order to achieve a faster acceleration, the 13-m long ramp is readjusted to an angle of 25° above the horizontal. The skater has a mass of 70 kg and μ = 0.06 between the wheels and the ramp. • Sketch a free body digram of the skater. Label axes and break up forces into components as needed. • What is the normal force (magnitude) on the skater? What is the net force and acceleration (magnitude and direction) for the skater?
Transcribed Image Text:Scenario #4: Stoked Skater A skateboarder rolls down a 13-m long ramp. They start from rest and accelerate at a constant rate of 2.5 m/s Multiple Choice Questions 7) How fast is the skater going at the bottom of the ramp? a) 3 m/s c) 5 m/s d) 6 m/s b) 4 m/s 8) How much time does it take the skater to reach the bottom of the ramp? a) 1.6 s c) 2.7 s d) 3.2 s b) 2.3 s e) 7 m/s f) 8 m/s e) 3.9 s f) 4.5 s Short Answer Question In order to achieve a faster acceleration, the 13-m long ramp is readjusted to an angle of 25° above the horizontal. The skater has a mass of 70 kg and μ = 0.06 between the wheels and the ramp. • Sketch a free body digram of the skater. Label axes and break up forces into components as needed. • What is the normal force (magnitude) on the skater? What is the net force and acceleration (magnitude and direction) for the skater?
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