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A 10-g bullet moving horizontally with a speed of 2.0 km/s strikes and passes through a 4.0-kg block moving with a speed of 4.2 m/s in the opposite direction on a horizontal frictionless surface. If the block is brought to rest by the collision, what is the kinetic energy of the bullet as it emerges from the block?
A certain gyroscope consists of a uniform disk with a 56 cm radius mounted at the center of an axle that is 13 cm long and of negligible mass. what is the precession rate
A proton moves at 5.00 105 m/s in the horizontal direction. It enters a uniform vertical electric field with a magnitude of 9.00 103 N/C. Find the time interval required for the proton to travel 4.00 cm horizontally
A futuristic design for a car is to have a large disklike flywheel within the car storing kinetic energy. The flywheel has mass 370 kg with a radius of 0.50 m and can rotate up to 540 rev/s.
a 3 kg cart moving to right with speed of 1ms has a head on collision with a 5 kg cart initially moving to left with
Atoms in a solid are in continuous vibrational motion due to thermal energy. find the approximate period of oscillation of a typical atom
If two successive overtones of a vibrating string are 420 Hz and 480 Hz, what is the frequency of the first overtone
A series RLC circuit contains 4.2 Ω resistors, a 42 mH inductor and a 22 µF capacitor. Obtain what is the total impedance (Z) of the circuit
A 65 diver stands at the end of a 27 springboard. What is the magnitude of the vertical force exerted by the hinge on the board
A fictional news reports stated that starship Enterprise had just returned from a 10 y voyage while traveling at 0.80 c. determine how much time elapsed on the ship
A meter stick lies at the bottom of a 100cm long tank by its zero mark against the left edge. You look into a tank at 30 degree angle, by your line of sight gazing the upper left edge. (a) What mark do you see on the meter stick if the tank is empty?
If the mass is released from rest and has an initial displacement downwards 0.5 m, determine the displacement of the mass after 2 seconds
a uniform electric field is established by connecting the plates of a parallel-plate capacitor to a 12.0 v battery.a if
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