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Chapter 4: Q52P (page 168)
A bouncing ball is an example of an anharmonic oscillator. If you quadruple the maximum height, what happens to the period? (Assume that the ball keeps returning almost to the same height.)
If the quadruple the maximum height, the time period increases four-time
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A certain metal with atomic mass 2 × 10-25 kg has an interatomic bond with length 2.1 × 10-10 m and stiffness 40 N/m. What is the speed of sound in a rod made of this metal?
A bouncing ball is an example of an anharmonic oscillator. If you Quadruple the maximum height, what happens to the period? (Assume that the ball keeps returning to the same height.)
A certain spring has stiffness 190N/m. The spring is then cut into two equal lengths. What is the stiffness of one of these half-length springs?
A hanging copper wire with diameter 1.4 mm is initially 0.95m long. When a 36kg mass is hung from it, the wire stretches an amount 1.83mm, and when a 72kg mass is hung from it, the wire stretches an amount 3.66mm. A mole of copper has a mass of 63g, and its density is Find the approximate value of the effective spring stiffness of the interatomic force.
A box sits on a table. The coefficient of static friction localid="1657707248507" between table and box is , and the coefficient of kinetic friction is . (a) What is the force required to start the box moving? (b) What is the force required to keep it moving at constant speed? (c) What is the force required to maintain an acceleration of?
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