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You have a string with a mass of 0.0127 kg. You stretch the string with a force of 9.19 N, giving it a length of 1.83 m. Then you vibrate the string transversely at precisely the frequency that corresponds to its fourth normal mode, that is, at its fourth harmonic. What is the wavelength of the standing wave you create in the string? What is the frequency?
Wavelength ______m
Frequency _______Hz
A textbook of mass 2.10kg rests on a frictionless, horizontal surface. A cord attached to the book passes over a pulley whose diameter is 0.190m, What is the tension in the part of the cord attached to the book
a horizontal spring mass system oscillates on a frictionless table. find the maximum extension of the spring
What is the kinetic energy of a 1,500 kg car with velocity of 72.0 km/hr? How much work must be done on the car to bring it to a complete stop.
What is order of the layers from top to bottom
What is the tension in the rope that is lifting the lift and what is the tire's average angular acceleration during the 4.5 s time interval?
Starting from rest, a disk rotates about its central axis with constant angular acceleration. In 10 s, it rotates 2 revolutions. What was the angular acceleration during this time
Suppose your waffle iron is rated at 1.20 kW when connected to a 3.00 102 V source. What current does the waffle iron carry
Suppose a ping-pong ball and a bowling ball are rolling toward you with the same momentum, and you exert the same average force in stopping each of them.
A satellite has a mass of 110 kg and is located at 1.96 106 m above the surface of Earth, What is the magnitude of the gravitational force on the satellite
A circular coil with N turns and radius = 0.05 m is rotating in a uniform magnetic field of 0.5 T. At t = 0 s, How many turns does the coil have
A 390 nm thick film floats on a puddle of water. When illuminated normally with 700 nm light there is no reflection, but 400 nm light is strongly reflected. What is the film's index of refraction
A 25 kg box is released from rest on a frictionless ramp making an angle of 42o with the horizontal. Determine the normal force on the box
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