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A uniform electric field of magnitude 300 V/m is directed in the positive x direction. A +10.0 µC charge moves from the origin to thepoint (x, y) = (20.0 cm, 50.0 cm).
a) What was the change in the potential energy of this charge?b) Through what potential difference did the charge move?
A fire truck has a siren with that generates a sound with a frequency of 8562 Hz. what frequency will you observe
Resolve the position s_b of the image if an object is placed in air on the axis of the rod 16.00 cm to the left of the end of the rod.
Capacitors C1 = 4.0 µF andC2 = 2.0 µF are charged as aseries combination across a 60 V battery.The two capacitors are disconnected from the battery and from eachother.
A gas of hydrogen atoms is in the n = 2, l= 1 state. Find the spacing between the three degenerative levels of Ml
What actually causes a Cepheid to vary in apparent brightness?
A balloon is filled with helium at a pressure of 2.4 x 10^5 pa. The balloon is at a temperature of 18 degrees C and has a radius of 0.25 m. By what factor does the radius of the balloon increase
A rope is used to pull a 2.25 kg block at constant speed 7.47 m along a horizontal floor. The force on the block from the rope is 7.52 N, find the work done by the rope's force
The magnetic force exerted on a 1.3-m segment of straight wire is 1.5N . The wire carries a current of 3.2A in a region with a constant magnetic field of 0.52T. What is the angle between the wire and the magnetic field?
A charge of q = +7.32 ?C is located in an electric field. The x and y components of the electric field are Ex = 5.54E+3 N/C and Ey = 7.90E+3 N/C, What is the magnitude of the force on the charge
A 700-g block is released from rest at an initial height, above a vertical spring with constant k=400N/m and negligible mass. How much work is done by the block on the spring
A softball of mass 0.220 kg that is moving with a speed of 5.5 m/s (in the positive direction) collides head-on and elastically with another ball initially at rest. Calculate the velocity of the target ball after the collision
a series rlc ac circuit has a capacitive reactance of 55 w and inductive reactance of 25 W and a resistance of 40 W. what is the impedance of this circuit
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