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The graph in the figure shows the electric potential energy as a function of separation for two point charges. If one charge is +0.44 nC, what is the other charge in nanoCoulombs? In the table below the first column is x in cm and the second column is U in microJoules.
A positive charge of 4.40 uC is fixed in place. From a distance of 4.20 cm a from the fixed positive charge, What is the speed of the +3.30 uC when it is 7.10 cm away from the fixed positive charge
A 16.1-kg sled is being pulled across a horizontal surface at aconstant velocity. The pulling force has a magnitude of 77.5 N andis directed at an angle of 29 ° above the horizontal. Determinethe coefficient of kinetic friction.
A focused magnetic field of variable strength is used to "steer" electrons in a television tube (CRT). The electrons emerge in a stream from a "gun" that has accelerated them across a potential difference. A magnetic field can deflect the beam of ..
With what minimum speed must you toss a 170g ball straight up to just touch the 12-m-high roof of the gymnasium, With what speed does the ball hit the ground
The earth orbits the sun in an approximately circular orbit of radius 1.496x10^11 m, Use these data to determine the mass of the sun
a very thin circular disk of radius r 13.00 cm has charge q 20.00 mc uniformly distributed on its surface. the disk
at the top of a 100m cliff a backpack is dropped. one second later an archer fires an arrow straight down that hits the backpack just as it reaches the ground, How long does it take for the backpack to reach the ground
Two soccer players start from rest,48m a part. they run directly toward each other, both players accelerating. the first player acceleration has a magnitudeof 0.50m/second square.the second player acceleration has a magnitude of 0.30m/second square. ..
question an aqueous solution containing barium iodide bai2 is electrolyzed in a cell containing inert electrodes. the
Suppose a van de Graaff generator is turned on and a positive charge builds up on its dome. How many electrons are involved in the arcing process
a 81.0 skydiver can be modeled as a rectangular box with dimensions 18.0x 35.0 x 185 . use the falling cylinder model
The ear canal can be viewed as a tube about 2cm long with the eardrum acting as a closed end. What is the resonance frequency of that tube
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