Kindly answer the following: 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). PutII.%3Dpower units in terms of watts and hp.430 m24m子12m,III. A 20 g special arrow travelling at 250m/s strikes a 5 kg block ofplywood. (a) If the special arrow remains embedded inside theblock, how fast will the special arrow and the block of plywoodmove together? (b) If the special arrow emerges from the blockof plywood at 140m/s, how fast is the block of plywoodmoving?IV. The 5 kg ball moving at 6 m/s to the right collides to another 4kg ball at rest. The 5kg ball is deflected at an angle of 45degrees 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 abovea ground floor. The ladder is uniform and has mass M = 12.0kg. The mass of the girl m 55 kg. The mass of Assuming thewall is frictionless, but the floor is not, determine the coefficientof static friction exerted on the ground and determine the angletheta of the ladder.I.%3D%3Dwhere:Fs = Ms FNFoxUs -FGYmgMgGm+ 4m-

Given, Force at point 2 is F2 = 1000 N Force at point 3 is F3 = 2000 N Force at point 4 is F4 = 1500…

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

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter14: Static Equilibrium, Elasticity, And Fracture

Section: Chapter Questions

Problem 82PQ

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Concept explainers

Special Relativity

The theory of special relativity discusses how space and time are related to objects traveling along a straight line at a constant speed. Simply stated, as an object reaches the speed of light, its mass becomes infinite and it is unable to move faster than light. This interstellar speed limit has been the topic of much debate in astronomy, and also in science fiction when people consider how to fly over large distances.

Question

Kindly answer the following:

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-

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