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Two 1.5 gram beads, each charged to 5.4 nC, are 2.6 centimeter apart. A 3.0 gram bead charged to-1.0 nC is exactly halfway between them. The beads are released from rest.
Determine what is the speed of the positive beads, when they are very far apart?
a 500g cart moving to the right with a speed of 30cms collides with a stationary 1500g cart. immediately after the
An outfielder throws a 0.150 kg baseball at a speed of 20.0 m/s and an initial angle of 30.0°. What is the kinetic energy of the ball
In a football game, a receiver is standing still, having just caught a pass. Before he can move, a tackler, running at a velocityof +3.79 m/s, grabs him. The tackler holds onto the receiver, andthe two move off together with a velocity of +1.55 m/..
A potter's wheel is a uniform solid disk of diameter 0.72m and a mass of 60kg. what minimum total friction force must the potter supply to the disk if her hands are acting at the edge of the disk
a bar of mass m = 0.260 kg that can slide without friction on a pair of rails separated by a distance = 1.20 m and located on an inclined plane that makes an angle ? = 29.0° with respect to the ground. With what constant speed v does the bar slide ..
With two resistors of resistances of 16(ohms) and 24(ohms) are connected in parallel. Find the equivalent resistance of the network, and the current in each resistor
For the polarisers, assume the incident light is linearly polarized, the transmitted intensity (through both polarisers) is 0.15×I0, and the axis of the second polarizer makes an angle θ=41° with the axis of the first polarizer. What is the angle (in..
A particle of mass 3 kilogram is attached to the end of a string of length 4 meter, whose other end is fixed. Evaluate the least horizontal speed with which it must be projected from the lowest point
The raising and lowering angular momentum operators, J-hat(subscript +), J-hat(subscript -) are defined in terms of the Cartesian components J-hat(subscript x), J-hat(subscript y), J-hat(subscript z) of angular momentum J-hat by J-hat(+)=J-hat(x)+..
A 55 kg person riding a bike puts all her weight on each pedal when climbing on a hill. How could she exert more torque
A laser used in cutting or drilling metals produces 10 ns pulses at 1.00 J per pulse. what is the peak light intensity at the spot
a hot-air balloon is ascending at the rate of 11 ms and is 59 m above the ground when a package is dropped over the
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