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A transformer consists of 300 primary windings and 832 secondary windings. 1. If the potential difference across the primary coil is 22.5 V , what is the voltage across the secondary coil? 2. If the potential difference across the primary coil is 22.5 V , what is the effective load resistance of the secondary coil if it is connected across a 110 ohm resistor?
A 3.9 kg block originally at rest is pulled to the right along a horizontal, frictionless surface by a constant, horizontal force of 18 N.
Determine whether the ground state function for the hydrogen atom is an eigenfunction of each of the following operators kinetic energy operator for H atom and potential energy operator for H atom
How to find out speed of the block
Speedboat A negotiates a curve whose radius is 198 m. Speedboat B negotiates a curve whose radius is 290 m. Each boat experiences the same centripetal acceleration. What is the ratio vA/vB of the speeds of boats.
The distance between two telephone poles is 44.5 m. When a 1.00-kg bird lands on the telephone wire midway between the poles, How much tension does the bird produce in the wire
Why do power companies use low currents in power lines when transferring electrical energy over large distances? Because power lines have resistance and resistors transform electrical energy into thermal energy. High currents would require larger p..
What is the radius of the curve?
One of the 57.5cm -long strings of an ordinary guitar is tuned to produce the note B3(frequency 245 Hz) when vibrating in its fundamental mode. Find the speed of transverse waves on this string
A test tube contains 2.56 10-4 m3 of liquid carbon tetrachloride at a temperature of 75.5° C. Find the volume of carbon tetrachloride in the test tube at -11.7° C
The Millenium Falcon is chased by the Imperial Forces. The ship is moving at a speed of 0.549 c. What is the velocity of the protons in the resting frame when the cannon is shot in the backward direction
A tightrope walker walks across a 30.0 m long wire tied between two poles. what is the mass of the tightrope walker
q1. at one instant a bicyclist is 40.0 m due east of a parks flagpole going due south with a speed of 10.0 ms. then
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