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A computer to be used in a satellite must be able to withstandaccelerations of up to 23 times theacceleration due to gravity. In a test to see if it meets thisspecification, the computer is bolted to a frame that is vibratedback and forth in simple harmonic motion at a frequency of8.4 Hz. What is the minimum amplitude of vibration that must be used in this test?
An outside loudspeaker (considered a small source) emits sound waves with a power output of 80 W. Find the intensity level in decibels at that distance
How many protons hit the target. How much energy is delivered to the target each second if the protons each have a kinetic energy of 30 MeV and lose all of their energy in the target.
nuclear-pumped x-ray lasers are seen as a possible weapon to destroy icbm booster rockets at ranges up to 2000 km. one
a thin film of alcohol (n=1.36) lies on a flat glass plate (n=1.54). when monochromatic light, what is the thickness of the film
a drawbridge with a weight of 5000 n is supported by a hinge and rope and is in static equilibrium. the length of the drawbridge, l, is 5 meters, what is the tension force the rope provides
A 0.20-kg object attached to the end of a string swings in a vertical circle (radius = 80 cm). At the top of the circle the speed of the object is 4.5 m/s. What is the magnitude of the tension in the string at this position?
A current of 7.35 A in a solenoid of length 12.2 cm creates a 0.397-T magnetic field, How many turns does this solenoid contain
A parallel-plate capacitor has circular plates and no dielectric between the plates. Each plate has a radius equal to 2.3 cm and the plates are separated by 1.1 mm. Charge is flowing onto the upper plate (and off of the lower plate) at a rate of 5..
you are designing a process to store pressurized argon gas a monatomic gas. you start with 3 moles of argon at a
A horizontal rifle is fired at a bull's-eye. The muzzle speed of the bullet is 671 m/s. The gun is pointed directly at the center of the bull's-eye, but the bullet strikes the target 0.029 m below the center. What is the horizontal distance betwee..
A rescue helicopter lifts a 70.8-kg person straight up by means of a cable. What is the tension in the cable
If a piece of irion (c=450 J/ kg C) at 65 C is dropped into 0.250 kg of ethyl acohol at 25 C and the final temperature of the two comes to 35 C what was the mass of the piece of iron
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