Inquiry into Physics
8th Edition
ISBN: 9781337515863
Author: Ostdiek
Publisher: Cengage
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Chapter 6, Problem 10Q
To determine
The definition of amplitude, wavelength and frequency of a wave.
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A bungee jumper plans to bungee jump from a bridge 64.0 m above the ground. He plans to use a uniform elastic cord, tied to a harness around his body, to stop his fall at a point 6.00 m above the water. Model his body as a particle and the cord as having negligible mass and obeying
Hooke's law. In a preliminary test he finds that when hanging at rest from a 5.00 m length of the cord, his body weight stretches it by 1.55 m. He will drop from rest at the point where the top end of a longer section of the cord is attached to the bridge.
(a) What length of cord should he use?
Use subscripts 1 and 2 respectively to represent the 5.00 m test length and the actual jump length. Use Hooke's law F = KAL and the fact that the change in length AL for a given force is proportional the length L (AL = CL), to determine the force constant for the test case and for the
jump case. Use conservation of mechanical energy to determine the length of the rope. m
(b) What maximum acceleration will he…
9 V
300 Ω
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100 Ω 200 Ω
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400 Ω
500 Ω
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600 Ω
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700 Ω
Figure 1: Circuit symbols for a variety of useful circuit elements
Problem 04.07 (17 points). Answer the following questions related to the figure below.
A What is the equivalent resistance of the network of resistors in the circuit below?
B If the battery has an EMF of 9V and is considered as an ideal batter (internal resistance
is zero), how much current flows through it in this circuit?
C If the 9V EMF battery has an internal resistance of 2 2, would this current be larger
or smaller? By how much?
D In the ideal battery case, calculate the current through and the voltage across each
resistor in the circuit.
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Chapter 6 Solutions
Inquiry into Physics
Ch. 6 - An astronomer measures the speed of recession of a...Ch. 6 - Prob. 2AACh. 6 - Prob. 1MACh. 6 - Prob. 1PIPCh. 6 - Prob. 2PIPCh. 6 - Prob. 1MIOCh. 6 - Prob. 1QCh. 6 - (Indicates a review question, which means it...Ch. 6 - (Indicates a review question, which means it...Ch. 6 - (Indicates a review question, which means it...
Ch. 6 - Prob. 5QCh. 6 - Prob. 6QCh. 6 - (Indicates a review question, which means it...Ch. 6 - Prob. 8QCh. 6 - Prob. 9QCh. 6 - Prob. 10QCh. 6 - Prob. 11QCh. 6 - Prob. 12QCh. 6 - (Indicates a review question, which means it...Ch. 6 - Prob. 14QCh. 6 - (Indicates a review question, which means it...Ch. 6 - (Indicates a review question, which means it...Ch. 6 - Prob. 17QCh. 6 - (Indicates a review question, which means it...Ch. 6 - Prob. 19QCh. 6 - Prob. 20QCh. 6 - Prob. 21QCh. 6 - (Indicates a review question, which means it...Ch. 6 - Prob. 23QCh. 6 - Prob. 24QCh. 6 - Prob. 25QCh. 6 - Prob. 26QCh. 6 - Prob. 27QCh. 6 - Prob. 28QCh. 6 - Prob. 29QCh. 6 - (Indicates a review question, which means it...Ch. 6 - Prob. 31QCh. 6 - Prob. 32QCh. 6 - Prob. 33QCh. 6 - Prob. 34QCh. 6 - Prob. 35QCh. 6 - Prob. 36QCh. 6 - (Indicates a review question, which means it...Ch. 6 - Prob. 38QCh. 6 - Prob. 39QCh. 6 - Two children stretch a jump rope between them and...Ch. 6 - The force stretching the D string on a certain...Ch. 6 - What is the speed of sound in air at the normal...Ch. 6 - The coldest and hottest temperatures ever recorded...Ch. 6 - A 4-Hz continuous wave travels on a S1ink. If the...Ch. 6 - A 500-Hz sound trave1s through pure oxygen. The...Ch. 6 - Prob. 7PCh. 6 - What frequency of sound traveling in air at 20°C...Ch. 6 - Prob. 9PCh. 6 - . What is the wavelength of 3.5 million Hz...Ch. 6 - . The frequency of middle C on the piano is 261.6...Ch. 6 - . A cable with total length 30 m and mass 100 kg...Ch. 6 - . In a student laboratory exercise, the wavelength...Ch. 6 - . A 1,720-Hz pure tone is played on a stereo in an...Ch. 6 - . A person stands directly in front of Iwo...Ch. 6 - . Ultrasound probes can resolve structural details...Ch. 6 - . A sonic depth gauge is placed 5 m above the...Ch. 6 - . The huge volcanic eruption on the island of...Ch. 6 - . A baseball fan sitting in the cheap seals” is...Ch. 6 - . A geologist is camped 8,000 m (5 miles) from a...Ch. 6 - . A person stands at a point 300 m in front of the...Ch. 6 - . A sound pulse emitted underwater reflects off a...Ch. 6 - . The sound level measured in a room by a person...Ch. 6 - . Approximately how many times louder is a 100-dB...Ch. 6 - Prob. 25PCh. 6 - . The frequency of the highest note on the piano...Ch. 6 - Prob. 1CCh. 6 - Prob. 2CCh. 6 - Jack and Jill go for a walk along an abandoned...Ch. 6 - Prob. 4CCh. 6 - An entrepreneur decides to invent and market a...Ch. 6 - Prob. 6CCh. 6 - Prob. 7CCh. 6 - The frequency of the lowest note played on a flute...Ch. 6 - Prob. 9C
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