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Two stationary positive point charges, charge 1 of magnitude 4.00 nC and charge 2 of magnitude 1.75 nC, are separated by a distance of 60.0 cm. An electron is released from rest at the point midway between the two charges, and it moves along the line connecting the two charges. What is the final speed of the electron when it is 10cm away from charge 1?
Suppose light with wavelength 7.80 102 nm is used instead and the diffraction grating has 3.35 103 lines per centimeter. Find the angles of all principal maxima
A 12.0 V dc battery having no appreciable internal resistance, a 150.5 ohm resistor, an 11.2 mH inductor, and an open switch are all connected in series. what is the maximum energy stored in the inductor
A 900- kg car collides with a 1200- kg car that was initially at rest at the origin of an x-y coordinate system. What was the initial speed of the lighter car
The sport with the fastest moving ball is jai alai, where measured speeds have reached 303km/h. If a professional jai alai player faces a ball at that speed and involuntarily blinks, he blacks out the scene for 100ms. How far does ball move throughou..
suppose the radius of the ball is very small compared to other length scales in the problem. Take starting level as step 0, the next step down as step 1, and so on.
An electric dipole includes a charge of 4 ?C and a second charge. What is the total charge of the dipole
A Van de Graaff generator is used to demonstrate the effects of high potential. The device has a radius of 59.7 cm, How much charge does the dome hold at its maximum potential
An object moves at 40 m/s in the +x direction. As it passes through the origin it gets a 3.5 m/s^2 acceleration in the -x direction. What is its velocity when it returns to the origin
When the temperature of a thin silver [? = 19 × 10-6 (C°)-1] rod is increased, the length of the rod increases by 3.7 × 10-3 cm. By how much does the length of the gold rod increase
A Marconi antenna, used by most AM radio stations, consists of the top half of a Hertz antenna, What is the height of the Marconi antennas for radio stations broadcasting at 519 kHz
A bullet is fired horizontally with an initial velocity of 900 m/s at a target located 150 m from the rifle. How much time is required for the bullet to reach the target
Treating our rigid legged friend as a particle, what is the average force his feet exert on the ground when he slows down.
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