Physics for Scientists and Engineers
6th Edition
ISBN: 9781429281843
Author: Tipler
Publisher: MAC HIGHER
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Chapter 15, Problem 39P
To determine
To Calculate: The power carried by the wave propagating along the string.
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A 2.00-m-long rope has a mass of 0.100 kg. The ten-
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sion is 60.0 N. An oscillator at one end sends a harmonic wave
with an amplitude of 1.00 cm down the rope. The other end of
the rope is terminated so all of the energy of the wave is
absorbed and none is reflected. What is the frequency of the
oscillator if the power transmitted is 100 W?
A 1.88-m long rope has a mass of 0.139 kg. The tension is 55.4 N. An oscillator at one end sends a harmonic wave with an amplitude of 1.09 cm down the rope. The other end of the rope is terminated so all of the energy of the wave is absorbed and none is reflected. What is the frequency of the oscillator if the power transmitted is 118 W?
A harmonic wave travels down a string under 60 N of tension with a mass per unit length of 0.400 kg/m. The wave has an amplitude of 3.00 cm, and a wavelength of 1.40 m. What is the average power transferred by the wave? (Give your answer in W.)
Chapter 15 Solutions
Physics for Scientists and Engineers
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- A wave on a string is driven by a string vibrator, which oscillates at a frequency of 100.00 Hz and an amplitude of 1.00 cm. The string vibrator operates at a voltage of 12.00 V and a current of 0.20 A. The power consumed by the string vibrator is P=IV . Assume that the string vibrator is 90% efficient at converting electrical energy into the energy associated with the vibrations of the string. The string is 3.00 m long, and is under a tension of 60.00 N. What is the linear mass density of the string?arrow_forwardA taut rope has a mass of 0.180 kg and a length of 3.60 m. What power must be supplied to the rope so as to generate sinusoidal waves having an amplitude of 0.100 m and a wavelength of 0.500 m and traveling with a speed of 30.0 m/s?arrow_forwardReview. A tuning fork vibrating at 512 Hz falls from rest and accelerates at 9.80 m/s2. How far below the point of release is the tuning fork when waves of frequency 485 Hz reach the release point?arrow_forward
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- A piano wire with mass 3.50 g and length 75.0 cm is stretched with a tension of 27.0 N. A wave with frequency 100 Hz and amplitude 1.90 mm travels along the wire. Calculate the average power carried by the wave. Express your answer in watts. What happens to the average power if the wave amplitude is halved? Express your answer in watts.arrow_forwardWhat will be the power available in an ocean wave if the wave height is 12.5 m, velocity of wave propagation is 8.9 m/s? Take density of ocean water as 1023.6 kg/m . Acceleration due to gravity as 9.81 m/sarrow_forwardTwo children stretch a jump rope between them and send wave pulses back and forth on it. The rope is 3 m long, its mass is 1.4 kg, and the force exerted by the children is 40 N. What is the speed of the waves on the rope?arrow_forward
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