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Two particles each have a mass of 7.00 10-3 kg. One has a charge of +5.0 10-6 C, and the other has a charge of -5.0 10-6 C. They are initially held at rest at a distance of 0.85 m apart. Both are then released and accelerate toward each other. How fast is each particle moving when the separation between them is one-half its initial value?
m/s
a ball with a mass of 0.73 kg travelling at 4 m/s strikes a second ball elastically at rest with a mass of 0.47 kg what will be the veloity of both object after collision
A -3.07 ?C charge is placed at the center of a conducting spherical shell, and a total charge of +6.70 ?C is placed on the shell itself. Calculate the total charge on the outer surface of the conductor.
A puck mass m=0.4 kg is sliding on a frictionless surface at a speed v=2.50 m/s in the x direction and I hits another puck o mass m= .2 kg at rest at the origin. what are the final speeds of the particles
A 120 g copper calorimeter cup contains 185 cm3 of water and 25 g of ice, all in thermal equilibrium. What was the initial temperature of the iron
a horizontal spring mass system oscillates on a frictionless table. find the maximum extension of the spring
A single-turn circular loop of radius 8.00 cm is to produce a field at its center that will just cancel the earth's field of magnitude 0.7G directed at 70 below the horizontal north direction. Find out the current in the loop.
ject located at the origin and having mass M explodes into three pieces having masses M/6, M/3, and M/2. What are the velocity components of the third piece
A 85-kg person sits on a 3.7-kg chair. Each leg of the chair makes contact with the floor in a circle that is 1.4 cm in diameter
The "tube length" of a microscope is defined to be the difference between the (objective) image distance and objective focal length: L=di%u2212fobjective. How far from the object should this lens be placed
A tank of volume 0.5 m^3 contains oxygen at a measure of 1.5 x 10^6 Pa and a temperature at 20 degrees C. How many kilomoles of oxygen are in the tank
While running a marathon, a long-distance runner uses a stopwatch to time herself over a distance of 100. How long will it take her to run a mile at this speed
If the free end of the string is held in place and the hoop is released from rest , calculate the angular speed of the rotating hoop after it has descended 0.750m
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