2. A skier whose mass is 75 kg starts from rest down a 10 slope on jet-powered skis. The slope has a vertical height of 50 m. The skis have a thrust of 200N. The skier reaches a speed of 35 mis at the bott of the hill. a) Draw a force diagram for the skier. b) What is the actual length of the hill? c) What is the force of friction on the skier? d) What is the coefficient of friction of the skis on the snow? ma 75kg h=5om Ang f
2. A skier whose mass is 75 kg starts from rest down a 10 slope on jet-powered skis. The slope has a vertical height of 50 m. The skis have a thrust of 200N. The skier reaches a speed of 35 mis at the bott of the hill. a) Draw a force diagram for the skier. b) What is the actual length of the hill? c) What is the force of friction on the skier? d) What is the coefficient of friction of the skis on the snow? ma 75kg h=5om Ang f
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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Transcribed Image Text:PHY 121
Handwritten ww 12
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1. 'a nows
teady 15m/s and the rope pulle up n the ed a2
50 kg and sou're pulline with a force of 75 N
a) Draw the appropriate vector dingram with components
b) What is the normal force?
c) What is the coefficient of friction? S0 92-490
1c0.348 F 75N
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2. A skier whose mass is 75 kg starts from rest down a 10 slope on jet-powered skis. The slope has a
vertical height of 50 m. The skis have a thrust of 200N. The skier reaches a speed of 35 mis at
of the hill.
a) Draw a force diagram for the skier.
b) What is the actual length of the hill?
c) What is the force of friction on the skier?
d) What is the coefficient of friction of the skis on the snow?
2. b) 288 m c) 168 N d) .23
bottom
0=10
h=50m
Ang f
b)dsh=50m_= 288m
Sunt sin10
()
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