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A 124cm long 4.00g string oscillates in its n=4 mode with a frequency of 200 Hz and a maximum amplitude of 5.50mm
1. What is the tension in the string?
2. What is the wavelength in the string?
a series rlc circuit has a source of time-varying emf providing 15 v at a frequency f0 with l 7.90 mh r 130 omega and
Describe what are the (a) magnitude and (b) direction of the boat's velocity relative to the ground? (c) How long does the boat take to cross the river?
A child rides a pony on a circular track whose radius is 4.0m, Find the distance after a complete circuit of the track
A 25.5-mW laser beam of diameter 2.08 mm is reflected at normal incidence by a perfectly reflecting mirror. Calculate the radiation pressure on the mirror
If the coefficient of friction between the book and the wall is .35, explain how hard would she have to push in order to allow the book to slide down at constant speed?
A fountain, for a new municipal building, is designed to spray a column of water 105 meters into the air. It requires an exit velocity of 44 m/s. The nozzle at ground level , has a diameter of 7 cm and the pipe leading to the fountain is 24 cm in dia..
Mercury flows through a horizontal pip 1.25 cm in diameter and 1.2 m long. what is the rate of flow through the tube
a projectile is fired with a speed of v 60 ms at angle of 60 degrees. a second projectile is then fired with the same
The distance among the objective and eyepiece lenses in a microscope is 22cm. The objective lens has a focal length of 5.5mm. What eyepiece focal length will give the microscope an overall angular magnification of 300?
A person is riding a bicycle, and its wheels have an angular velocity of 16.1 rad/s. What is the anguar acceleration (in rad/s2) of each wheel
What is the potential energy of the elevator
a bicycle is traveling north at 5.0 ms. the mass of the wheel 2.0 kg is uniformly distributed along the rim which has a
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