Physics (5th Edition)
5th Edition
ISBN: 9780321976444
Author: James S. Walker
Publisher: PEARSON
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Chapter 13, Problem 4PCE
You take your pulse and observe 74 heartbeats in a minute. What are the period and frequency of your heartbeat?
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In taking your pulse, you count 75 heartbeats in 1 min. What are the period (in s) and frequency (in Hz) of your heart’s oscillations?
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A Foucault pendulum is a simple device used to observe the rotation of the Earth.
If the pendulum needs to have a period of 6.74 seconds, how long does the Foucault pendulum need to be (in meters)?
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Chapter 13 Solutions
Physics (5th Edition)
Ch. 13.1 - If the frequency of an oscillator is halved, by...Ch. 13.2 - Prob. 2EYUCh. 13.3 - An object moves with simple harmonic motion about...Ch. 13.4 - Rank the four massspring systems in Figure 13-15...Ch. 13.5 - The total mechanical energy of an ideal...Ch. 13.6 - Rank the four pendulum systems in Figure 13-25 in...Ch. 13.7 - The amplitude of a damped oscillation decreases...Ch. 13.8 - When you drive a pendulum at a frequency f1, you...Ch. 13 - A basketball player dribbles a ball with a steady...Ch. 13 - A person rides on a Ferris wheel that rotates with...
Ch. 13 - An air-track cart bounces back and forth between...Ch. 13 - If a mass m and a mass 2m oscillate on identical...Ch. 13 - An object oscillating with simple harmonic motion...Ch. 13 - The position of an object undergoing simple...Ch. 13 - The pendulum bob in Figure 13-18 leaks sand onto...Ch. 13 - A person in a rocking chair completes 12 cycles in...Ch. 13 - While fishing for catfish, a fisherman suddenly...Ch. 13 - If you dribble a basketball with a frequency of...Ch. 13 - You take your pulse and observe 74 heartbeats in a...Ch. 13 - BIO Slow-Motion Dragonfly A frame-by-frame...Ch. 13 - Predict/Calculate (a) Your heart beats with a...Ch. 13 - You rev your cars engine to 3300 rpm (rev/min)....Ch. 13 - A mass moves back and forth in simple harmonic...Ch. 13 - A mass moves back and forth in simple harmonic...Ch. 13 - The position of a mass oscillating on a spring is...Ch. 13 - The position of a mass oscillating on a spring is...Ch. 13 - A position-versus-time plot for an object...Ch. 13 - A mass on a spring oscillates with simple harmonic...Ch. 13 - A mass oscillates on a spring with a period of...Ch. 13 - Predict/Calculate Molecular Oscillations An atom...Ch. 13 - A mass oscillates on a spring with a period T and...Ch. 13 - The position of a mass on a spring is given by x =...Ch. 13 - Predict/Calculate A mass attached to a spring...Ch. 13 - A lawn sprinkler oscillates with simple harmonic...Ch. 13 - A ball rolls on a circular track of radius 0.62 m...Ch. 13 - An object executing simple harmonic motion has a...Ch. 13 - A child rocks back and forth on a porch swing with...Ch. 13 - Predict/Calculate A 30.0-g goldfinch lands on a...Ch. 13 - BIO Tuning Forks in Neurology Tuning forks are...Ch. 13 - A vibrating structural beam in a spacecraft can...Ch. 13 - A peg on a turntable moves with a constant...Ch. 13 - The pistons in an internal combustion engine...Ch. 13 - Vomit Comet NASA trains astronauts to deal with...Ch. 13 - A 0.84-kg air cart is attached to a spring and...Ch. 13 - Predict/Calculate A person rides on a mechanical...Ch. 13 - An object moves with simple harmonic motion of...Ch. 13 - An object executing simple harmonic motion has a...Ch. 13 - Predict/Explain If a mass m is attached to a given...Ch. 13 - Predict/Explain An old car with worn-out shock...Ch. 13 - Predict/Explain The two blocks in Figure 13-34...Ch. 13 - A 0.49-kg mass attached to a spring undergoes...Ch. 13 - A freshly caught catfish is placed on a spring...Ch. 13 - System A consists of a mass m attached to a spring...Ch. 13 - Find the periods of block 1 and block 2 in Figure...Ch. 13 - When a 0.62-kg mass is attached to a vertical...Ch. 13 - A spring with a force constant of 82 N/m is...Ch. 13 - A bunch of grapes is placed in a spring scale at a...Ch. 13 - Two people with a combined mass of 125 kg hop into...Ch. 13 - A 0.95-kg mass attached to a vertical spring of...Ch. 13 - When a 0.184-kg mass is attached to a vertical...Ch. 13 - Predict/Calculate The springs of a 511-kg...Ch. 13 - Predict/Calculate If a mass m is attached to a...Ch. 13 - A 0.285-kg mass is attached to a spring with a...Ch. 13 - A 1.6-kg mass attached to a spring oscillates with...Ch. 13 - Predict/Calculate A 0.40-kg mass is attached to a...Ch. 13 - Prob. 51PCECh. 13 - BIO Astronaut Mass An astronaut uses a Body Mass...Ch. 13 - Predict/Calculate A 0.505-kg block slides on a...Ch. 13 - A 3.55-g bullet embeds itself in a 1.47-kg block,...Ch. 13 - Metronomes, such as the penguin shown in Figure...Ch. 13 - Predict/Explain A grandfather clock keeps correct...Ch. 13 - An observant fan at a baseball game notices that...Ch. 13 - A simple pendulum of length 2.3 m makes 5.0...Ch. 13 - United Nations Pendulum A large pendulum with a...Ch. 13 - Predict/Calculate If the pendulum in the previous...Ch. 13 - A Hula Hoop hangs from a peg. Find the period of...Ch. 13 - A fireman tosses his 0.98-kg hat onto a peg, where...Ch. 13 - Predict/Calculate Consider a meterstick that...Ch. 13 - On the construction site for a new skyscraper, a...Ch. 13 - BIO (a) Find the period of a childs leg as it...Ch. 13 - Suspended from the ceiling of an elevator is a...Ch. 13 - CE An object undergoes simple harmonic motion with...Ch. 13 - CE If the amplitude of a simple harmonic...Ch. 13 - CE A mass m is suspended from the ceiling of an...Ch. 13 - CE A pendulum of length L is suspended from the...Ch. 13 - A 1.3-kg mass is attached to a spring with a force...Ch. 13 - BIO Measuring an Astronauts Mass An astronaut uses...Ch. 13 - Sunspot Observations Sunspots vary in number as a...Ch. 13 - BIO Weighing a Bacterium Scientists are using...Ch. 13 - CE An object undergoing simple harmonic motion...Ch. 13 - The maximum speed of a 4.1-kg mass attached to a...Ch. 13 - The acceleration of a block attached to a spring...Ch. 13 - Helioseismology In 1962, physicists at Cal Tech...Ch. 13 - Predict/Calculate A 9.50-g bullet, moving...Ch. 13 - BIO Spiderweb Oscillations A 1.44-g spider...Ch. 13 - A service dog tag (Figure 13-40) is a circular...Ch. 13 - Calculate the ratio of the kinetic energy to the...Ch. 13 - A 0.340-kg mass slides on a frictionless floor...Ch. 13 - A shock absorber is designed to quickly damp out...Ch. 13 - Predict/Calculate Figure 13-41 shows a...Ch. 13 - Predict/Calculate A 3.2-kg mass on a spring...Ch. 13 - A 0.45-kg crow lands on a slender branch and bobs...Ch. 13 - A mass m is connected to the bottom of a vertical...Ch. 13 - Predict/Calculate Consider the pendulum shown in...Ch. 13 - An object undergoes simple harmonic motion of...Ch. 13 - A physical pendulum consists of a light rod of...Ch. 13 - Predict/Calculate A vertical hollow tube is...Ch. 13 - BIO A Cricket Thermometer, by Jiminy Insects are...Ch. 13 - BIO A Cricket Thermometer, by Jiminy Insects are...Ch. 13 - BIO A Cricket Thermometer, by Jiminy Insects are...Ch. 13 - BIO A Cricket Thermometer, by Jiminy Insects are...Ch. 13 - Predict/Calculate Referring to Example 13-5...Ch. 13 - Predict/Calculate Referring to Example 13-12...Ch. 13 - Predict/Calculate Referring to Example 13-12 (a)...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- A rod extending between x = 0 and x = 14.0 cm has uniform cross-sectional area A = 9.00 cm2. Its density increases steadily between its ends from 2.70 g/cm3 to 19.3 g/cm3. (a) Identify the constants B and C required in the expression = B + Cx to describe the variable density. (b) The mass of the rod is given by m=allmaterialdV=allxAdx=014.0cm(B+Cx)(9.00cm2)dx Carry out the integration to find the mass of the rod.arrow_forwardFind the Frequency of your heart: Click here to learn how to find your pulse. Step 1: Count number of pulse (beats) in one min. Step 2: Find the period (in seconds) and frequency of your heart’s oscillations?arrow_forwardOn an average a human heart is found to beat 75times in a minute. Calculate its frequency and period.arrow_forward
- A pendulum has a period of 42.4 s. If you were to transfer this pendulum to the surface of Mars (where g is 3.71 meters per second squared), what would the period (in seconds) be?arrow_forwardA hypnotist's watch hanging from a chain swings back and forth every 0.61 s. What is the frequency (in Hz) of its oscillation?arrow_forwardWe measure the period of oscillation of a simple pendulum. In successive measurements, the readings turn out to be 2.63s, 2.56s, 2.42s, 2.71s, and 2.80s. Calculate the absolute errors, relative error, or percentage error.arrow_forward
- What is the period of a pocket watch of mass m = 1.20 kg and length L = 0.356 m (14 inch), in second? Use g = 10 m/s2. Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement.arrow_forwardBlood flows through the aorta at an average speed of v = 18 cm/s. The aorta is roughly cylindrical with a radius r = 14.2 mm. The volume rate of blood flow through the aorta is πr2v. Calculate the volume rate of blood flow through the aorta in L/min.arrow_forwardA pendulum swings back and forth 6 times in 10.86 seconds a.what is the frequency of oscillation?arrow_forward
- An object has a frequency of 1000 Hz. What is its time period?arrow_forwardIt is said that Galileo discovered a basic principle of the pendulum - that the period is independent of the amplitude - by using his pulse to time the period of swinging lamps in the cathedral as they swayed in the breeze. Suppose that one oscillation of a swinging lamp takes 9 s. How long is the lamp chain (in meters)?arrow_forwardThe air temperature was 77.0°F during a thunderstorm, and thunder was timed 5.20 s after lightning was seen. How many feet away was the lightning strike?arrow_forward
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