EP PHYSICS -MOD.MASTERING (18W)
5th Edition
ISBN: 9780136782490
Author: Walker
Publisher: PEARSON CO
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Textbook Question
Chapter 6, Problem 22PCE
A spring is suspended vertically from the ceiling of a room. When a mass is attached to the bottom of the spring, the amount of stretch is recorded A plot of stretch versus mass is given Figure 6-40. Use the data given in the plot to determine the force constant of the spring.
Figure 6-40
Problem 22
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Hooke’s Law Hooke’s Law states that the force needed tokeep a spring stretched x units beyond its natural length isdirectly proportional to x. Here the constant of proportionality is called the spring constant.(a) Write Hooke’s Law as an equation.(b) If a spring has a natural length of 5 cm and a force of30 N is required to maintain the spring stretched to alength of 9 cm, find the spring constant.(c) What force is needed to keep the spring stretched to alength of 11 cm?
the extension of spring is directly proportional to the stretching force with in the elastic limit
true or false?
If the coefficient of kinetic friction between the 10kg crate and the plane is -0.2,
determine the speed of the crate at the instant the compression of the spring is x=10cm.
Initially the spring is unstretched and the crate is at rest.
10 m
k = 2 kN/m-
45°
Chapter 6 Solutions
EP PHYSICS -MOD.MASTERING (18W)
Ch. 6.1 - A block rests on a rough, horizontal surface, as...Ch. 6.2 - When a mass is attached to a certain spring, the...Ch. 6.3 - Suppose the tension in the clothesline in Quick...Ch. 6.4 - Three boxes are connected by ropes and pulled...Ch. 6.5 - A system consists of an object with mass m and...Ch. 6 - A clothesline always sags a little, even if...Ch. 6 - In the Jurassic Park sequel, The Lost World, a man...Ch. 6 - When a traffic accident is investigated, it is...Ch. 6 - In a car with rear-wheel drive, the maximum...Ch. 6 - A train typically requires a much greater distance...
Ch. 6 - Give some everyday examples of situations in which...Ch. 6 - At the local farm, you buy a flat of strawberries...Ch. 6 - It is possible to spin a bucket of water in a...Ch. 6 - Water sprays off a rapidly turning bicycle wheel....Ch. 6 - Can an object be in translational equilibrium if...Ch. 6 - Prob. 11CQCh. 6 - The gravitational attraction of the Earth is only...Ch. 6 - A popular carnival ride has passengers stand with...Ch. 6 - Referring to Question 13, after the cylinder...Ch. 6 - Your car is stuck on an icy side street. 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