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There are two pith balls that are suspended from a pendulum and repel each other. They have a charge of 4.692 E-9C, are separated by a distance of 0.07m, and the length of the strings from which they are hung are 0.39m. Given this information how would you calculate the tension of the string and the mass of the balls?
A particle of mass M decays into two identical particles each of mass m, where m = 0.4M. Prior to the decay, the particle of mass M has a total energy of 4 Mc2 in the laboratory reference frame. The velocities of decay product are along the directi..
illustrate what force should the second crewman pull so that the net force of the two crewman is in the forward direction?
When the projectile is at the top of its trajectory, an internal explosion causes it to separate into two fragments of equal mass. One of the fragments falls straight downward as though it had been free from rest.
A high-speed drill reaches 2000 rpm in 0.50 s. What is the drill's angular acceleration? Through how many revolutions does it turn during this first 0.50s.
A three-phase synchronous generator is connected to a step-up transformer T1, which is connected to a 60km long transmission line. As the far end of the line, a step-down transformer bank T2 is connected. The secondary of T2 supplies two loads L..
A double speed trap is set up on a freeway. One police cruiser is hidden behind a billboard, and another is some distance away under a bridge. As a sedan passes by the first cruiser, its speed is measured to be 99.7 mph.
A plane first moves from the origin to point A located at 170 km in direction of 30 degree north of east after that it flies 150 km 20 degree west of north to point B finally it flies 195 km due west to point C. find the location of C from origin.
A small ball of 53 grams is suspended from a string of length 86 centimeters and whirled in a circle lying in the horizontal plane. If the string makes and angle of 31 degrees with the vertical, find out the centripetal force experienced by the ball...
How much work was done by the lift on the automobile.
Find out the magnetic induction at a point
An electric water heater holds 165L. If electricity costs 0.18 per , how much does it cost to raise the water temperature from 10 to 60.
The kinetic friction force between surface and disk slows down its linear motion while at the same time making the disk spin on its axis at an accelerating rate. Finally, the disk's rotation catches up with its linear motion, and disk begins to roll ..
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