11 2:40l LTE Oum will oscillate S3 times every minute (1 minute 60 s en uniter. The length ofche pendulum rod is 0.8 m.a What is the period of the pendulum on Jupiter?N Determine the acceleration of gravity on Jupiter) What is the frequency of the pendulum on earth, where average value ofacceleration due to gravity is 9.81 m/s?d) Find the length of the pendulum rod, if we want to adjust the period of the pendumto 1.0 s.12. In the end-of-semester party, two powerful loudspeakers, placed next to each odher,playing music. Olivia is 13.0 m away from the speakers, and the sound level at her positionis 110 dB.a) What is the intensity of the sound at Olivia's position?b) What is the output power of the speaker?c) Determine the acoustic pressure received by Olivia, if the temperature is 30.0 "C andthe density of air is 1.22 kg/m'.d) Olivia's friend turns off one of the speakers (so the output intensity reduced to half ofthe original), what is the sound level hear by Olivia?13. A bat was flying toward a beetle at 34.6 m/s while emitted 90000 Hz ultrasound to the beetleto detect its location. The beetle was resting on a tree. The temperature is 23 "C.a) Find the wave length of the ultrasound emitted by the bat.b) Find the frequency of ultrasound wave received by the beetlec) Find the frequency of the ultrasound wave reflected back to the bat.d) After the bat caught the beetle, it's resting on a tree. A moth flying away from the batto escape. The bat emitted 90000 Hz ultrasound wave to the moth and received 77830Hz reflected back from the moth. Determine the speed of the moth.

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Description: 11 2:40l LTE Oum will oscillate S3 times every minute (1 minute 60 s en uniter. The length ofche pendulum rod is 0.8 m.a What is the period of the pendulum on Jupiter?N Determine the acceleration of gravity on Jupiter) What is the frequency of the pe

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he pendulum rod is 08 m. pondulum willl oscillate 53 times every minute (1 minute s0 s on upiter. The length of What is the period of the pendulum on Jupiter? h Determine the acceleration of gravity on Jupiter d What is the frequency of the pendulum on earth, where average value of acceleration due to gravity is 9.81 m/s? d) Find the length of the pendulum rod, if we t to adjust the period of the pendulum to 1.0 s

he pendulum rod is 08 m. pondulum willl oscillate 53 times every minute (1 minute s0 s on upiter. The length of What is the period of the pendulum on Jupiter? h Determine the acceleration of gravity on Jupiter d What is the frequency of the pendulum on earth, where average value of acceleration due to gravity is 9.81 m/s? d) Find the length of the pendulum rod, if we t to adjust the period of the pendulum to 1.0 s

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter1: Getting Started

Section: Chapter Questions

Problem 58PQ

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A very light rigid rod of length 0.500 m extends straight out from one end of a meterstick. The combination is suspended from a pivot at the upper end of the rod as shown in Figure PI5.42. The combination is then pulled out by a small angle and released, (a) Determine the period of oscillation of the system, (b) By what percentage does the period differ from the period of a simple pendulum 1.00 m long?
A clock is constructed so that it keeps perfect time when its simple pendulum has a period of 1.000 s at locations where g = 9.800 m/s2. The pendulum bob has length L = 0.248 2 m, and instead of keeping perfect time, the clock runs slow by 1.500 minutes per day. (a) What is the free-fall acceleration at the clocks location? (b) What length of pendulum bob is required for the clock to keep perfect time?
(a) What is the effect on the period of a pendulum if you double its length? (b) What is the effect on the period of a pendulum if you decrease its length by 5.00%?
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Suppose you have a 0.750-kg object on a horizontal surface connected to a spring that has a force constant of 150 N/m. There is simple friction between the object and surface with a static coefficient of friction s=0.100 . (a) How far can the spring be stretched without moving the mass? (b) If the object is set into oscillation with an amplitude twice the distance found in part (a), and the kinetic coefficient of friction is k=0.0850 , what total distance does it travel before stopping? Assume it starts at the maximum amplitude.
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A spring of negligible mass stretches 3.00 cm from its relaxed length when a force of 7.50 N is applied. A 0.500-kg particle rests on a frictionless horizontal surface and is attached to the free end of the spring. The particle is displaced from the origin to x = 5.00 cm and released from rest at t = 0. (a) What is the force constant of the spring? (b) What are the angular frequency , the frequency, and the period of the motion? (c) What is the total energy of the system? (d) What is the amplitude of the motion? (c) What are the maximum velocity and the maximum acceleration of the particle? (f) Determine the displacement x of the particle from the equilibrium position at t = 0.500 s. (g) Determine the velocity and acceleration of the particle when t = 0.500 s.
Some people think a pendulum with a period of 1.00 s can be driven with “mental energy” or psycho kinetically, because its period is the same as an average heartbeat. True or not, what is the length of such a pendulum?
A string has a linear mass density =0.007 kg/m, a length L=0.70 m, a tension of FT=110 N, and oscillates in a mode n=3 . (a) What is the frequency of the oscillations? (b) Use the result in the preceding problem to find the change in the frequency when the tension is increased by 1.00% .
(a) What is me maximum 1nreluzmcity at an 85.0kg person bouncing on a bathroom scale having a force constant of 1.50106N/m, if the amplitude of the bounce is 0.200 cm? (b)What is me maximum energy stored in the spring?
(a) If frequency is not constant for some oscillation, can the oscillation be SHM? (b) Can you think of any examples of harmonic motion where the frequency may depend on the amplitude?
A clock is constructed so that it keeps perfect time when its simple pendulum has a period of 1.000 s at locations where g = 9.800 m/s2. The pendulum bob has length L = 0.248 2 m, and instead of keeping perfect time, the clock runs slow by 1.500 minutes per day. (a) What is the free-fall acceleration at the clocks location? (b) What length of pendulum bob is required for the clock to keep perfect time?