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A computer to be used in a satellite must be able to withstand accelerations of up to 27 times the acceleration due to gravity. In a test to see whether it meets this specification, the computer is bolted to a frame that is vibrated back and forth in simple harmonic motion at a frequency of 8.62 Hz. What is the minimum amplitude of vibration that must be used in this test?
A standing wave of frequency 3.03 Hz is set up on a string 2.6 m long with nodes at both ends and in the center
Standing on a sidewalk, you notice that you are halfway between a clock tower and a large building. When the clock strikes the hour, you hear an echo of the bell 0.8 s after hearing it directly from the tower. How far apart are the clock tower and th..
A 45.3-cm diameter disk rotates with a constant angular acceleration of 2.20 rad/s2. It starts from rest at t = 0, Find the linear velocity and tangential acceleration of P at t = 2.30 s
One recent study has shown that x rays with a wavelength of 0.0050nm can produce significant numbers of mutations in human cells. how many molecular bonds could be broken with this energy
Ten cars at an intersection are blowing their horns simultaneously, What is the average sound level for each car
You are at a rock concert, and the sound intensity reaches levels as high as 120 dB. Calculate the amplitude of this oscillating force
A sphere of radius r starts from rest and rolls without slipping along a curved surface, Find the final speed v of the sphere's center of mass
A train starts from rest and accelerates at rate of 1.60 m/s2 for 10.0 s. It runs at constant speed for 70.0 s, Find the total distance covered
q1. a certain compact disc player draws a current of 290 ma at 36.0 v. how much power is necessary to operate the
A coil has 395 turns and self-inductance 3.25 mH. The current in the coil varies with time according to i = (680 mA) cos(?t/0.0250 s). What is the maximum emf induced in the coil
A positron is a particle with the same mass and magnitude charge as an electron, but a positron has a positive charge. how fast is the positron moving
Assuming that each cubic centimeter of water has a mass of exactly 1 g, find the mass of 9.97 cubic meter of water in kg
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