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On a frictionless horizontal air table, puck A (with mass 0.253kg ) is moving toward puck B (with mass 0.365kg), which is initially at rest. After the collision, puck A has velocity 0.115m/s to the left, and puck B has velocity 0.655m/s to the right. Q1-What was the speed of puck A before the collision? Q2-Calculate , the change in the total kinetic energy of the system that occurs during the collision.
A pair of hedge trimmers are 45 cm long from the pivot to the end of the handles. how much force is applied to the branch
The electric potential V in the space between two flat parallel plates is given by V = 2000x2 , where V is in volts if x, the distance from one of the plates, is in meters. Calculate the magnitude and direction of the electric field at x = 8.30 cm. W..
At a particular instant, charge = 4.80×10^?6 C is at the point (0, 0.250 m , 0) and has velocity (9.20 x 10^5 m/s) i. Charge = ?2.90×10?6 C is at the point (0.150 m , 0, 0) and has velocity (-5.30 x 10^-5) j.
The 1.5 kg balls are attached to the ends of a thin rod of length 42.0 cm and negligible mass. Through what angle will the system rotate before it momentarily stops
A car moving at 20.0 m/s decelerates at 7.00 m/s2. How far will it travel before stopping
A disk of mass M and radius R is initially at rest. It is acted upon by a constant torque N for a time t. what was the minumum power rating of the motor
A 92-kg fullback, running at 5.0 m/s, attempts to dive directly across the goal line for a touchdown. What is the velocity of the football players after the collision
An airplane whose air speed is 608 is supposed to fly in a straight path 38 north of east. But a steady 86 wind is blowing from the north. In what direction must the plane head.
Bowling balls are roughly the same size, but come in a variety of weights. Given its official circumference of roughly 27.2 inches, calculate the heaviest bowling ball
What volume of water at 0°C can a freezer make into ice cubes in 1.4 hours, if the coefficient of performance of the cooling unit is 8.0 and the power input is 1 kilowatt.
Suppose the light bulb in the figure below is replaced with a short wire of zero resistance, and the resistance of the rails is negligible, What is the current in the rod
A current flow in a circle loop is clockwise. What is the magnetic field at the center of the loop point
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