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A block of mass M hangs from a spring having spring constant k = 12 N/m and oscillates up and down with simple harmonic motion. The time to make one complete cycle is 3.14 seconds, and the amplitude of the oscillation is A = 0.75 m. What is the mass of the block?
A nozzle of inner radius 1.05 mm is connected to a hose of inner radius 7.95 mm. The nozzle shoots out water moving at 25.5 m/s. At what speed is the water in the hose moving
If a helium nucleus with a mass of 6.68 10-27 kg, a charge of +2e, how close will the helium atom come to the gold nucleus before it stops and turns around
Two identical +9.5uC point charges are initially 3.5cm from each other. If they are released at the same instant from rest, hoe fast will each be moving when they are very far away from each other? suppose they have identical masse of 1mg.
question1a sealed tank containing seawater to a height of 13.0 m also contains air above water at a gauge pressure of
a small disk of radius r=2.00 cm has been glued to the edge of a larger disk of radius R=9.00 cm so that the disks lie in the same plane. What is the rotational inertia of the two-disk assembly about the rotation axis through O
Find the mechanical energy of a block- spring system having a spring constant of 1.3 N/cm and an oscillation amplitude of 2.4 cm.
You wish to replace the flooring in your kitchen with square linoleum tiles that measure 12 inches on a side. how many such tiles will you need to buy
A circular wire of radius 5.67 cm has a current of 3.27 A flowing in it. The wire is placed in a uniform magnetic field of 4.39 mT. Determine the maximum torque on the wire
A ball is attached to a horizontal cord of length L whose other end is fixed. A peg is located at a distance d directly below the fixed end of the cord. The ball is released from rest when the string is horizontal. ?
A step-down transformer (turns ratio = 1:8) is used with an electric train to reduce the voltage from the wall receptacle to a value needed to operate the train. What is the current in the primary coil
On a frictionless surface, a sliding box collides and sticks to a second identical box that is initially at rest. What percentage of the initial kinetic energy of the system
A radio station broadcasts at a frequency of 92.0 MHz with a power output of 51.8 kW. what is the energy of each emitted photon
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