Physics for Scientists and Engineers
6th Edition
ISBN: 9781429281843
Author: Tipler
Publisher: MAC HIGHER
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Chapter 5, Problem 69P
To determine
The distance covered by
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What is the use of the photogate timer?
Select one:
O To measure the acceleration.
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e.g. A wood block mB is static on smooth table with another
block MA on one ends of it. Now give m an initial velocity
vo to make it sliding on B. assume the friction coefficient is
μ, m₁=m³, and when A arrives at the other end of B, they
have the same speed. What is the length of B and the
displacement of B (A is a mass point)..
Execute
A
A gives B a friction um g and B
gives A a friction -µmäg.
Frictions are internal force, so
momentum is conserved for the
whole system. Assume the
velocity is v when A gets right
end.
B
(a)
(b)
B
12
The Figure below shows a box with a mass of 20 kg sliding down an inclined plane which makes an angle of 55 with the horizontal. The coefficient of friction
before the plane and box is 0.75. The air resistance along the plane is equal to 25v (in m/s). Assuming the box started at rest, determine the velocity and displacement at any time,
t.
Chapter 5 Solutions
Physics for Scientists and Engineers
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