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Hanging wire has a length of 1.90m . When a steel ball of mass 51.0 kg is suspended from the wire, the wire stretches by 1.50 mm . If the ball is pulled down a small additional distance and released, at what frequency will it vibrate? Assume that the stress on the wire is less than the proportional limit.
The 60kg cradle A is carrying the 12 kg pipe B at the speed of 8 m/s when it hits the rigid wall. suppose all the impacts are plastic, determine the speed of the pipe immediately after the impacts. Neglect friction.
A person with a mass of 103 kg is standing on a scale that reads weight in newtons inside of an elevator. If the elevator accelerates upward at 3.2 m/s2, what does the scale read.
q1. a 3.0 kg basketball travelling at 15ms collides with the 2.0- kg baseball which is initially at rest in the elastic
A wave of amplitude 0.40 m interferes with a second wave of amplitude 0.3 m traveling in the same direction. (a) What is the largest resultant amplitude that can arise.
A parallel-plate capacitor has capacitance 6.50 µF. How much energy is stored in the capacitor if it is connected to a 12.00 V battery?
The electric starter in an automobile equipped with a 12 V battery draws a current of 90.00 A when in operation. What amount of electric energy has been withdrawn from the battery
The half-life of Uranium(238 upper index 92 lower index) against alphy decay is 4.5x10^9 yr. How long does it take for seven-eigths of a sample of this isotope to decay
a metal rod 3 meters long is held in place by a cable with tension t the cable is attached to the rod 1 m from the end
A uniform electric field of magnitude 256 V/m is directed in the negative y direction. Through what potential difference did the charge move
A cube made of steel 0.300 meters on a side is suspended from a scale until it is completely immersed in fresh water
When the three blocks in the figure below are released from rest, they accelerate with a magnitude of 0.740 m/s2, What is the coefficient of kinetic friction between block 2 and the table
A 100 pF capacitor is charged to a potential difference of 70 V, and the charging battery is disconnected. what is the capacitance of this second capacitor
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