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A 500 g mass is mounted on a spring of constant k = 3.3 N/m. The damping constant for this system is 8.0 x 10^-3 kg/s. How many oscillations will the system undergo during the time the amplitude decays to 1/e of its original value? (Do not round your answer to a whole number.)
A wire of unknown material has a cross-sectional area 7 mm2 and length 15 cm. What is the resistivity of the unknown material
a spring with an 7.9-kg mass is pulled back 0.25 m. if its frequency is 3.6 hz then find the position velocity and
A solenoid that is 103 cm long has a cross-sectional area of17.5 cm2. There are 790 turns of wire carrying a currentof 9.15 A. (a) Calculate the energy density of the magnetic field inside the solenoid.
The flywheel of a motor has a mass of 300 kg and a moment of inertia of 580 kg*m^2 The motor develops a constant torque of 2000 N*m and the flywheel starts from rest. How much work is done by the motor during the first 4.00 revolutions
Now the friends decide to try a problem. A metal ball of mass 0.5 kg is dropped from a great height, What is the radius of the ball
A car traveling initially at 7.0 m/s accelerates to velocity 12.0 m/s in 2.0 s. What is the average acceleration of the car
To focus a camera on objects at different distances, the converging lens is moved toward or away from the film, Over what distance must the lens be movable
A proton is shot at 5x10^7 m/s toward a gold atom, with a mass 197 times t hat of the proton and deflects it straight back with 80% of its initial speed. What is the recoil speed of the gold nucleus?
A carnival merry-go-round has a large disk-shaped platform of mass 120 kg that can rotate about a center axle. Determine the rotational velocity of the platform
An aluminum cylinder with radius 2.3cm and length 19cm is heated to 430 degrees C. Find the net power this cylinder radiates into a room
A 8500-kg boxcar traveling at 13m/s strikes a second boxcar at rest. what is the mass of the second car
a neutron passes two points 1.0 meter apart in 1.0 microsecond. calculate the neutrons energy in units of both joules j
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