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A particle (q=7.5*10^-6 C) is released from rest at a point on the x-axis, x = 10 cm. It begins to move due to the presence of a 2.0*10^-6 C charge which remains fixed at the origin. What is the kinetic energy of the particle at the instant it passes the point x = 1.0 m?
A 1,220-kg car traveling initially with a speed of 25.0 m/s in an easterly direction crashes into the rear end of a 9,500-kg truck moving in the same direction at 20.0 m/s, how much mechanical energy is lost after the collision
q1. a diffraction grating with exactly 1000 lines per centimeter is illuminated by a he-ne laser of wavelength 683
What fraction of the original kinetic energy of puck dissipates during the collision, kinetic friction before is 40 m/s, kinetic friction after is 29.3 m/s
A pyrex beaker that holds 250 ml of water at 20 degrees celcius is filled to the brim. how much water (if any) will spill out of the beaker
A long solenoid of length L, cross-sectional area A, having N1 turns, has wound about its centre a small coil of N2 turns. Calculate the mutual inductance if L=1 m, A=10 cm2, N1=1000, N2=20.
A major-league pitcher can throw a baseball in excess of 44.6 m/s. If a ball is thrown horizontally at this speed, how much will it drop by the time it reaches catcher who is 18m away from the point of release.
You work in a materials testing lab and your boss tells you to increase the temperature of a sample by 46.6 C. The only thermometer you can find at your workbench reads in degrees Fahrenheit. If the initial temperature of the sample is 67.7 F, what i..
A 755 gram grinding wheel 25.5 cmin diameter is in the shape of a uniform solid disk. (We can ignore the small hole at the center.), What torque does friction exert while this wheel is slowing down
Newton's apple was a sphere with a 5cm radius and density of 850kg/m^3. Its drag coefficient is 0.60 and the density of air is 1.2kg/m^3. Find the apple' terminal velocity
An experimenter arranges to trigger two flashbulbs simultaneously, producing a big flash located at the origin of his reference frame and a small flash at x = 8.25 km. What time interval between them does she find
The tank is shelling at a target that is 4km away and 60m above ground. what should be the release speed of the shell
An incredibly large slingshot is stretched 1.0 meters to launch a 128.0-gram projectile with a speed sufficient to escape from the Earth (11.2 km/s). What is the spring constant of the device if all the potential energy is converted to kinetic ener..
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