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A spherical shell with an inner radius of 10 cm and outer radius of 12 cm contains a net charge +10uc. At the center of the shell is located a point charge with a charge of +2uc. What is the strength of the electric field at a distance of 8cm from the center of the shell?
a falling sky diver reaches terminal speed with her parachute closed. after the parachute is opened what parameters
An atom of U238 spontaneously decays into two components. One is a small fragment that is ejected with a speed of 1.50x107 m/s, what are the masses of the fission products
A 2.0 kg ball moving with a speed of 3.0 m/s hits, elastically, an identical stationary ball as shown. find the speed and direction of the second ball after the collision
As you zip through space in your PPS (personal propulsion suit), your pulse rate, as you count it, is 121 bpm, How fast are you moving with respect to the Moon
19 g of helium gas are placed in a cylinder with a movable piston. The gas is compressed very slowly from a state of ( p1 = 5atm; v1 = 32 x 10^-3m^3) to a state of (p2 = 17atm; v2 = 9 x 10^-3m^3 )
question1the westin stamford hotel in detroit is 228 m tall. assume a piece of ice that initially has a temperature of
A heat engine does 250 J of work per cycle while exhausting 700 J of heat to the cold reservoir. What is the engine's thermal efficiency
A beam of particles is directed at a 0.017-kg tumor. There are 2.1x10^10 particles per second reaching the tumor, Find the biologically equivalent dose given to the tumor
A tank of argon gas has a volume of 0.0152 m3. The gas has a pressure of 5.50 atm and a temperature of 293 K. How many argon atoms are in the tank
A 12 V battery (which has an electric potential difference of 12 V between its terminals) is connected to a 10 W light bulb for 1 second. Calculate how much charge flows through the light bulb in the 1 second.
A converging lens (f = 14.6 cm) is located 31.4 cm to the left of a diverging lens (f = -7.91 cm), Find the overall magnification
A brave but inadequate rugby player is being pushed backward by an opposing player who is exerting a force of 800 N on him. What force does the winning player exert on the ground
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