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A rocket-powered hockey puck has a thrust of 4.0 N and a total mass of 1.0 kg. It is released fromrest on a frictionless table, 4.5 m from the edge of a 2.0 m drop. The front of the rocket is pointed directly toward the edge. How far does the puck land from the base of the table?
A series RLC circuit consists of a 100 ? resistor, a 0.190H inductor, and a 42.0 ?F capacitor. It is attached to a 120 V/60 Hz power line. What is the average power loss
A copper wire has a total lenght of 28m. Half of the wire has a cross-sectional area of 6 mm^2, what is the current through this wire
Two ultrasonic sound waves combine and form a beat frequency that is in the range of human hearing for a healthy young person, What is the largest possible value for the frequency of the other ultrasonic wave
How much energy is necessary to bring the system back
A horizontal rifle is fired at a bull's-eye. The muzzle speed of the bullet is 621 m/s. What is the horizontal distance between the end of the rifle and the bull's-eye
X-rays of wavelength 0.140 nm are scattered from a crystal, What is the interplanar spacing for this crystal
Starting from rest, a basketball rolls from the top of a hill to the bottom, reaching a translational speed of 5.85 m/s. Ignore frictional losses. What is the height of the hill
A copper bar 30.0 cm long is perpendicular to a field of flux density 0.80 Wb/m2 and moves at right angles to the field with a speed of 0.50 m/s
Two electrons in the same atom both have n = 9 and = 3. (Keep in mind that the electrons are indistinguishable). How many different states are possible
A jet airliner moving initially at 300 mi/h due east enters a region where the wind is blowing at 100 mi/h in a direction 28.0° north of east. What is the new velocity of the aircraft
Is kinetic energy of a system conserved when two objects collide and stick together? What about the momentum of the system? What kind of collision is this (elastic or inelastic )?
A cylinder with Radius R and mass M has a density that increases linearly with distance r from the cylinder axis, p = ar. Calculate the moment of inertia of the cylinder about a longitudinal axis through its center in terms of M and R
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