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A turntable of a record player rotates initially at the rate of 33 rev/min and takes 14.6 s to come to rest.
What is the angular acceleration of the turntable, assuming the acceleration is uniform. Answer in units of rad/s^2 my solution(which is wrong) ((33 * 2 * pi)/60)/14.6 = 0.236695
The body contains many small currents caused by the motion of ions in the organs and cells. how large is the current in the heart
Calculate the rest energy of an electron in joules and Calculate the rest energy of an electron in MeV (1MeV=1.60×10?13J)
A 0.400-kg ball approaches a very massive wall at 20.0 m/s perpediculat to wall and rebounds with 70.0% of its inital kinetic energy. find the magnitude of the change in momentum of the wall
the tractor-trailer unit is moving down the incline with a speed of 6.8 mihr when the driver brakes the tractor to a
At the local swimming hole, a favorite trick is to run horizontally off a cliff that is 8.3m above the water. One diver runs off the ede of the cliff, tucks into a "ball" and rotates on the way down with an average angular speed of 1.6 rev/s. Ignor..
The plates of a parallel plate capacitor are separated by d = 2.8 cm. The potential of the negative plate is 0 V, and the potential halfway between the plates is +15 V. What is the electric field between plates (take the upward direction as the po..
Two boxes, one 4kg and another 6kg, are pushed along the floor at constant speed with an applied force of 10N exerted on the 4kg box. What is the force of the 4kg box on the 6kg box
question1a ball drops from rest from an unknown height h. the time it takes for the ball to hit the ground is measured
a certain freely falling object requires 1.95 s to travel the last 36.5 m before it hits the ground. from what height
A planar electromagnetic wave is propagating in the +x direction. What is the Poynting vector at the point P at that instant
The power and voltage ratings of a particular light bulb, which are its normal operating values, are 110 Volt and 60 Watt. compute the operating voltage of the bulb
The velocity of the transverse waves produced by an earthquake is 6.93 km/s, while that of the longitudinal waves is 11.3652 km/s. How far away was the earthquake
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