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A 967 kg mass is hung on a spring. As a result the spring stretches 30.50 cm. If the object is then pulled an additional 3.0 cm downward and released, what is the period of the resulting oscillation? Give your answer in seconds with 3 significant figures.
A heat engine does 7210 J of work in all cycle while absorbing12.2 kcal of heat from a high-temperature reservoir. What is the efficiency (in percent) of this engine?
a mass of 200 g vibrates horizontally in Simple Harmonic Motion with a frequency of 30 Hz and amplitude 20 cm. calculate the total energy of the motion
A perfectly flat thin piece of glass (N=1.50) that is 6.00 cm long and and 2.0 cm wide is placed over a perfectly flat piece of black plastic (N=1.20) that is the same size. one end of the glass is slightly elevated while the other end is in contact ..
The only force acting on a 3.0 kg body as it moves along the positive x axis has an x component Fx = -7x N, What is the velocity of the body at x = 4.9 m
Suppose the flux through a loop changes uniformly from 12 Wb to 18 Wb in 6.50 s. What is the magnitude of the emf induced in the loop
A 530kg cannon fires a 11kg cannonball with a speed of 200m/srelative to the muzzle, When the cannon fires, what is the speed of the cannonball relative to the earth
two sound waves from two different sources with the same frequency 508 hz travel in the same direction at 347 ms. the
A long rod, insulated to prevent heat loss along its sides, is in perfect thermal contact with boiling water (at atmospheric pressure) at one end and with an ice-water mixture at the other.
questionyou are part of a team to help design atrium of a new building. your boss manager of the project wants to
What is the smallest quantum of energy that can be absorbed by the molecule in a rotational excitation? What is the smallest quantum of energy that can be absorbed in a vibration excitation? In what regions of electromagnetic spectrum do the transiti..
A person hums into the top of a well and finds that standing waves are established at frequencies of 44.0, 132.0, and 220.0 Hz. The frequency of 44.0 Hz is not necessarily the fundamental frequency. The speed of sound is 343 m/s. How deep is the well..
a 0.135-g spider hangs from the middle of the first thread of its future web. the thread makes an angle of 5.29deg with
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