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A vessel at rest at the origin of an xy coordinate system explodes into three pieces. Just after the explosion, one piece, of mass m, moves with velocity (-85 m/s) and a second piece, also of mass m, moves with velocity (-85 m/s). The third piece has mass 3m.
What is the direction of the third piece just after the explosion? (counterclockwise from the +x axis)
A high-voltage copper transmission line with a diameter of 2.60 cm and a length of 130 km carries a steady current of 1.03 103 A. what time interval does one electron travel the full length of the line
A hollow cylinder of radius and height has a total charge uniformly distributed over its surface. The axis of the cylinder coincides with the z axis, and cylinder is centered at the origin.
Two poles, one of which is 5 times as strong as the other, exert on each other a force equal to 0.8x10^-3 kgf, Find the strength of each pole
A cue ball (mass = 0.145 kg) is at rest on a frictionless pool table. The ball is hit dead center by a pool stick, which applies an impulse of +1.15 N · s to the ball. Find the velocity of the second ball just after it is struck
A dolphin leaps out of the water at the angle of 46° above the horizontal. The horizontal component of the dolphin's velocity is 9.40 m/s. Find out the magnitude of the vertical component of velocity.
a 20 kg mass sits on an inclined plane with friction making an angle of 50 degrees with respect to the horizontal. calculate the frictional force required to keep the mass from sliding down the incline
M1 is five times more massive than M2. One force acts on the hanging mass, but the net force acts on both masses. Once you have the acceleration, you can compute the distance.
A 4kg mass rests on a tabletop and is attached to a spring with the spring constant 100N/m. find the equation of motion for the oscillator
A continuous stream of water runs from the faucet into a kitchen sink, picking up speed as it falls. What is the diameter of the flow tube of water
A current of 0.80A flows through a copper wire 0.50mm in diameter, How long is the wire in km
Find out the tension in the two strings. string between m1 and m2 2 N string between m2 and the 3.00 kg mass
A block of iron has the dimensions of 3.00 cm x 3.00 cm x 3.00 cm. It has a mass of 213 g. When placed in water, the block sinks. What volume of water did it displace.
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