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Q1. A 35.0-g bullet moving at 475 m/s strikes a 3.2-kg bag of flour that is on ice, at rest. The bullet passes through the bag, leaving at 225 m/s. How fast is the bag moving while the bullet exits?
Q2. Two point charges are placed on the x axis. The first charge, = 8.00, is placed a distance 16.0 from the origin along positive x axis; the second charge, = 6.00, is placed a distance 9.00 from the origin along negative x axis. Compute the electric field at point A, located at coordinates (0m, 12m).
A 0.60 nF parallel-plate capacitor has plate area A = 1.4×10?4 m. what is the plate separation
A long solenoid has 231 turns in a length of 13 cm, radius of 1.8 cm, and I= 1.3 A. Find the magnitude of the average induced emf in the coil
A 33.2 m steel wire and a 25.6 m copper wire both with 1.00 mm diameters, are connected end to end and are stretched to a tension of 120 N. How long does it take the transverse wave to travel the entire length of the two wires.
A rocket blasts off vertically from rest on the launch pad with an upward acceleration of 2.30. At 10.0 after blastoff, the engines suddenly fail, which means that force they produce instantly stops.
A RC circuit is to be wired for testing using a 33 ohm resistor anda 100 mirco farad capacitor. The signal source is a squarewave generator, Calculate the expected time constant
assume two cans of differently coloured paint at the same temperature can be mixed together adiabatically. the second law of thermodynamics is simply not relevant to this situation
A 65kg trampoline artist jumps vertically upward from the top of a platform that is 2 m above the trampoline with a speed of 4.80m/s.
What is an average speed of this train
The drawing shows a collision between two pucks on an air-hockey table. Puck A has a mass of 0.020 kg and is moving along the x axis with a velocity of +5.5 m/s. Find the final speed of puck A
q1. sunlight enters a room at an angle of 31 above the horizontal and reflects from a small mirror lying flat on the
Each plate of a parallel-plate capacitor is a square of side 3.17 cm and the plates are separated by 0.551 mm. Find the electric field strength inside the capacitor
A 520 turn solenoid, 20 cm long, has a diameter of 2.5 cm. A short 16 turn coil is wound tightly around the center of the solenoid, what will be the induced emf magnitude in the short coil during this time
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