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A uniform electric field of magnitude 297 V/m is directed in the positive x direction. A +14.7 uC charge moves from the origin to the point (x, y) = (16.5cm, 52.3 cm). What was the change in the potential energy of this charge?
Through what potential difference did the charge move?
A parallel plate capacitor has a plate area of 0.815 m2 and a plate separation of 2.05 millimeter. Explain what is its capacitance
A magnifying glass has a converging lens of focal length of 18.80cm. At what distance from a nickel must you hold this lens to get an image with a magnification of +2.47.
A set of crash tests consists of running a test car moving at a speed of 12.6 m/s (27.7 m/h) into a solid wall. Calculate the size of the average force which acts on the dummy during that time
Determine the temperature of the surface of the steam kettle that is in contact with the stove.
a particle with a mass of 6.64 10-27 kg and a charge of 3.210-19 c is accelerated from rest through a potential
In 0.785 second, a 7.45-kilogram ball is pulled through a distance of 3.65 meter on a frictionless horizontal surface, starting from rest. Compute by how much does the spring stretch
a steel cable of diameter 3.0 cm supports a load of 2.0kN. what is the fractional length increase of the cable compared with the length when there is no load if Y=2.0 x 10^11 Pa
suppose a solid disk of radius r3.64 cm is given an angular velocity omega54.83 rads about an axis through its center
Methane (CH4) is burned with the 20% dry excess air at 227C. Combustion occurs at one atmosphere. Determine the adiabatic flame temperature (C)
a 80 kev x-ray undergoes a compton scattering with an electron of tungsten and ejects this electron with energy 15ev.
a ball is thrown from the top of a 50m cliff with a velocity of 10ms 30 degrees. a what is the time to the maximum
A basketball player makes a jump shot. The 0.592 kg ball is released at a height of 2.18 m above the floor with a speed of 7.17 m/s. What is the work done on the ball by air resistance
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