Exam 10: Simple Harmonic Motion and Elasticity
Exam 1: Introduction and Mathematical Concepts70 Questions
Exam 2: Kinematics in One Dimension103 Questions
Exam 3: Kinematics in Two Dimensions68 Questions
Exam 4: Forces and Newtons Laws of Motion103 Questions
Exam 5: Dynamics of Uniform Circular Motion59 Questions
Exam 6: Work and Energy78 Questions
Exam 7: Impulse and Momentum66 Questions
Exam 8: Rotational Kinematics55 Questions
Exam 9: Rotational Dynamics57 Questions
Exam 10: Simple Harmonic Motion and Elasticity63 Questions
Exam 11: Fluids65 Questions
Exam 12: Temperature and Heat66 Questions
Exam 13: The Transfer of Heat42 Questions
Exam 14: The Ideal Gas Law and Kinetic Theory55 Questions
Exam 15: Thermodynamics79 Questions
Exam 16: Waves and Sound67 Questions
Exam 17: The Principle of Linear Superposition and Interference Phenomena46 Questions
Exam 18: Electric Forces and Electric Fields61 Questions
Exam 19: Electric Potential Energy and the Electric Potential70 Questions
Exam 20: Electric Circuits100 Questions
Exam 21: Magnetic Forces and Magnetic Fields66 Questions
Exam 22: Electromagnetic Induction71 Questions
Exam 23: Alternating Current Circuits84 Questions
Exam 24: Electromagnetic Waves66 Questions
Exam 25: The Refl Ection of Light: Mirrors43 Questions
Exam 26: The Refraction of Light: Lenses and Optical Instruments102 Questions
Exam 27: Interference and the Wave Nature of Light57 Questions
Exam 28: Special Relativity63 Questions
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Exam 30: The Nature of the Atom74 Questions
Exam 31: Nuclear Physics and Radioactivity37 Questions
Exam 32: Ionizing Radiation, Nuclear Energy, and Elementary Particles45 Questions
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A simple pendulum consists of a ball of mass m suspended from the ceiling using a string of length L. The ball is displaced from its equilibrium position by a small angle . What is the magnitude of the restoring force that moves the ball toward its equilibrium position and produces simple harmonic motion?
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(Multiple Choice)
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D
The acceleration of a certain simple harmonic oscillator is given by a = -(15.8 m/s2) cos (2.51t). What is the amplitude of the simple harmonic motion?
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The shear modulus of steel is 8.1 × 1010 N/m2. A steel nail of radius 7.5 × 10-4 m projects 0.040 m horizontally outward from a wall. A man hangs a wet raincoat of weight 28.5 N from the end of the nail. Assuming the wall holds its end of the nail, what is the vertical deflection of the other end of the nail?
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C
A 10-kg box is at rest at the end of an unstretched spring with constant k = 4000 N/m. The mass is struck with a hammer giving it a velocity of 6.0 m/s to the right across a frictionless surface. What is the amplitude of the resulting oscillation of this system? 

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Which one of the following statements is true concerning an object executing simple harmonic motion?
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In the produce section of a supermarket, five pears are placed on a spring scale. The placement of the pears stretches the spring and causes the dial to move from zero to a reading of 2.0 kg. If the spring constant is 450 N/m, what is the displacement of the spring due to the weight of the pears? 

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A 5.0 × 102-N object is hung from the end of a wire of cross-sectional area 0.010 cm2. The wire stretches from its original length of 200.00 cm to 200.50 cm.
-What is the stress on the wire?
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Young's modulus of nylon is 3.7 × 109 N/m2. A force of 6.0 × 105 N is applied to a 1.5-m length of nylon of cross sectional area 0.25 m2. By what amount does the nylon stretch?
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A 2.0-kg object is attached to a spring (k = 55.6 N/m) that hangs vertically from the ceiling. The object is displaced 0.045 m vertically. When the object is released, the system undergoes simple harmonic motion. What is the magnitude of the maximum acceleration of the object?
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Melissa's favorite exercise equipment at the gym consists of various springs. In one exercise, she pulls a handle grip attached to the free end of a spring to 0.80 m from its unstrained position. The other end of the spring (spring constant = 45 N/m) is held in place by the equipment frame. What is the magnitude of the force that Melissa is applying to the handle grip?
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When a force of 19 N is applied to a spring, it elongates 0.085 m. Determine the period of oscillation of a 4.0-kg object suspended from this spring.
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Complete the following statement: Young's modulus cannot be applied to
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A vertical block-spring system on earth has a period of 6.0 s. What is the period of this same system on the moon where the acceleration due to gravity is roughly 1/6 that of earth?
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A ball hung from a vertical spring oscillates in simple harmonic motion with an angular frequency of 2.6 rad/s and an amplitude of 0.075 m. What is the maximum acceleration of the ball?
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A 2.2-kg object is suspended from a spring with k = 18 N/m. The mass is pulled 0.35 m downward from its equilibrium position and allowed to oscillate. What is the maximum kinetic energy of the object?
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A cylinder with a diameter of 0.240 m is placed between the plates of a hydraulic press as illustrated in the drawing. A 4.45 × 105-N force is applied to the cylinder. What is the pressure on the end of the cylinder due to the applied force? 

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The spring constant for the spring in a special cannon is 1800 N/m. In cocking the cannon, the spring is compressed 0.55 m. What is the initial speed of a 7.0-kg cannonball at rest on the free end of the spring when it is released?
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What is the period of a pendulum consisting of a 6-kg object oscillating on a 4-m string?
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A 0.2-kg block is held in place by a force
that results in a 0.10-m compression of a spring beneath the block. The spring constant is 1.0 × 102 N/m. Assuming the mass of the spring is negligible compared to that of the block, to what maximum height would the block rise if the force
were removed. 



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A 5.0 × 102-N object is hung from the end of a wire of cross-sectional area 0.010 cm2. The wire stretches from its original length of 200.00 cm to 200.50 cm.
-Determine the Young's modulus of the wire.
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