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A 10.0-m long string is moved up and down with simple harmonic motion with a frequency of 33 Hz. The crests of the wave travel down the entire length of the string in 0.60 s.
(a) Determine the velocity of the wave on the sting.
(b) Determine the wavelength of the waves on the string.
A high-voltage transmission line with a resistance of 0.34 omegacap.gif/km carries a current of 960 A. What is the power loss due to resistance in the line
A rock is thrown vertically upward with a speed of 17.0 m/s from the roof of a building that is 70.0 m above the ground. Assume free fall. What is the speed of the rock just before it strikes the ground
A rotating water pump works by taking water in at one side of the rotating wheel, and expelling it from the other side. If a pump with a radius of 0.120m starts from rest and accelerates at 30.50 rad/s2.
A 4.4 cm radius ball rolls down an inclined plane from rest at the top. The angular acceleration of the rolling ball about its center is 185 rad/s^2, How long is the plane
Two circular disks spaced 0.50mm apart form a parallel-plate capacitor. What are the diameters of the disks
Here's a basketball problem: A 75.0 kg basketball player is running in the positive direction at 8.2 m/s. what is the resulting velocity of the 75.0 kg player
On a banked race track, the smallest circular path on which cars can move has a radius of 112 m, find the largest speed at which cars can move on this track without relying on friction
A toy cannon uses a spring to project a 5.31-g soft rubber ball. The spring is originally compressed by 5.04 cm and has a force constant of 7.96 N/m. At what point does the ball have maximum speed
A girl with a mass of 60kg springs from a trampoline with an initial upward velocity of 8.0 m/s. what is the maximum height that the girl (with box) reaches
A thin film of oil is placed on a piece of glass. The oil has an index of refraction of 1.29 and the glass has an index of refraction of 1.56. how thick is the film
A member of an aircraft maintenance crew wears protective earplugs that reduce the sound intensity by a factor of 405. When a jet aircraft is taking off, the sound intensity level experienced by the crew member is 90 dB. What sound intensity level..
A science student is riding on a flatcar of a train traveling along a straight horizontal track at a constant speed of 12.9 m/s. How high does the ball rise
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