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A roller-coaster car is pulled up to point 1 where it is released from rest. Assuming no friction, calculate the velocity and power at points 2 (where F = 100ON), 3 (where F = 2000N), and 4 (where F = 150ON). Put II. %3D power units in terms of watts and hp. 4 30 m 24m 十 12m

A roller-coaster car is pulled up to point 1 where it is released from rest. Assuming no friction, calculate the velocity and power at points 2 (where F = 100ON), 3 (where F = 2000N), and 4 (where F = 150ON). Put II. %3D power units in terms of watts and hp. 4 30 m 24m 十 12m

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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A roller-coaster car is pulled up to point 1 where it is released from rest. Assuming no friction, calculate the velocity and power at points 2 (where F = 1000N), 3 (where F = 2000N), and 4 (where F = 1500N). Put II. %3D power units in terms of watts and hp. 4 30 m 24m 子 12m, III. A 20 g special arrow travelling at 250m/s strikes a 5 kg block of plywood. (a) If the special arrow remains embedded inside the block, how fast will the special arrow and the block of plywood move together? (b) If the special arrow emerges from the block of plywood at 140m/s, how fast is the block of plywood moving? IV. The 5 kg ball moving at 6 m/s to the right collides to another 4 kg ball at rest. The 5kg ball is deflected at an angle of 45 degrees relative to the positive x-axis at a velocity of 1.8 m/s. What is the final velocity and direction of the second 4 kg ball? 3.
Transcribed Image Text:A roller-coaster car is pulled up to point 1 where it is released from rest. Assuming no friction, calculate the velocity and power at points 2 (where F = 1000N), 3 (where F = 2000N), and 4 (where F = 1500N). Put II. %3D power units in terms of watts and hp. 4 30 m 24m 子 12m, III. A 20 g special arrow travelling at 250m/s strikes a 5 kg block of plywood. (a) If the special arrow remains embedded inside the block, how fast will the special arrow and the block of plywood move together? (b) If the special arrow emerges from the block of plywood at 140m/s, how fast is the block of plywood moving? IV. The 5 kg ball moving at 6 m/s to the right collides to another 4 kg ball at rest. The 5kg ball is deflected at an angle of 45 degrees relative to the positive x-axis at a velocity of 1.8 m/s. What is the final velocity and direction of the second 4 kg ball? 3.
A 15.0 m long ladder leans against a wall at a point 9.0 m above a ground floor. The ladder is uniform and has mass M = 12.0 kg. The mass of the girl m 55 kg. The mass of Assuming the wall is frictionless, but the floor is not, determine the coefficient of static friction exerted on the ground and determine the angle theta of the ladder. I. %3D %3D where: Fs = Ms FN Fox Us - FGY mg Mg Gm + 4m-
Transcribed Image Text:A 15.0 m long ladder leans against a wall at a point 9.0 m above a ground floor. The ladder is uniform and has mass M = 12.0 kg. The mass of the girl m 55 kg. The mass of Assuming the wall is frictionless, but the floor is not, determine the coefficient of static friction exerted on the ground and determine the angle theta of the ladder. I. %3D %3D where: Fs = Ms FN Fox Us - FGY mg Mg Gm + 4m-
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