A 16.6-kg block rests on a horizontal table and is attached to one end of a massless, horizontal spring. By pulling horizontally on the other end of the spring, someone causes the block to accelerate uniformly and reach a speed of 6.31 m/s in 0.957 s. In the process, the spring is stretched by 0.215 m. The block is then pulled at a constant speed of 6.31 m/s, during which time the spring is stretched by only 0.0544 m. Find (a) the spring constant of the spring and (b) the coefficient of kinetic friction between the block and the table. (a) Number i (b) Number i Units Units

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter7: Conservation Of Energy
Section: Chapter Questions
Problem 15P: A block of mass m = 2.00 kg is attached to a spring of force constant k = 500 N/m as shown in Figure...
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A 16.6-kg block rests on a horizontal table and is attached to one end of a massless, horizontal spring. By pulling horizontally on the
other end of the spring, someone causes the block to accelerate uniformly and reach a speed of 6.31 m/s in 0.957 s. In the process, the
spring is stretched by 0.215 m. The block is then pulled at a constant speed of 6.31 m/s, during which time the spring is stretched by only
0.0544 m. Find (a) the spring constant of the spring and (b) the coefficient of kinetic friction between the block and the table.
(a) Number
(b) Number
i
Units
Units
Transcribed Image Text:A 16.6-kg block rests on a horizontal table and is attached to one end of a massless, horizontal spring. By pulling horizontally on the other end of the spring, someone causes the block to accelerate uniformly and reach a speed of 6.31 m/s in 0.957 s. In the process, the spring is stretched by 0.215 m. The block is then pulled at a constant speed of 6.31 m/s, during which time the spring is stretched by only 0.0544 m. Find (a) the spring constant of the spring and (b) the coefficient of kinetic friction between the block and the table. (a) Number (b) Number i Units Units
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