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Consider a deformed nucleus (shape of an ellipsoid, long axis 10% longer than short axis). If you compute the electric potential at the first Bohr radius, what accuracy can you expect if you treat the nucleus as a point charge? Make reasonable estimate; do not get involved in integration.
a ball is thrown upward from the roof of a building, passes the roof going down three seconds later, and hits the ground one second after that. how tall is the building? how fast did the ball strike the ground?
A heavy crate is attached to the wall by a light rope. Another rope hangs off the opposite edge of the box. If you slowly increase the force on the free rope by pulling on it in a horizontal direction, which rope will break? Ignore friction and th..
How much power is needed to push a 85kg chest at 0.72m/s along a horizontal floor where the coefficient of friction is 0.76
A 43kg block of ice slides down the frictionless incline 1.50m long and 0.82m high. A worker pushes up against the ice, parallel to the incline, so that the block slides down at constant speed.
An airplane is flying with a velocity of 89.0 at an angle of 18.0 above the horizontal. When the plane is the distance 112 directly above a dog that is standing on level ground, a suitcase drops out of the luggage compartment. How far from the dog wo..
A copper wire that is 1 mm thick and 30 cm long is connected to a 1 V battery. What is the power dissipated in the wire at this temperature
If the charge of the point charge in the figure were -2Q (instead of +Q), by what factor would the magnitude of the force on the point charge due to the dipole change.
A friend of yours is loudly singing a single note at 411 Hz while racing toward you at 25.5 m/s on a day when the speed of sound is 341 m/s.
If it starts 4.70m from the lower edge of the roof, how fast will the toolbox be moving just as it reaches the edge of the roof if the kinetic friction force on it is 21.0N
A circuit contains sic 60 W lamps with a resistance of 240 ohm each and a 10 ohm heater connected in parallel. The voltage across the circuit is 120 V. Find the current in the circuit.
A lighted candle is placed 36 cm in front of a diverging lens. The light passes through the diverging lens and on to a converging lens of focal length 10 cm that is 5 cm from the diverging lens. Find the focal length of the diverging lens
A ballplayer catches a ball 2.75 seconds after throwing it vertically upward. With what speed did he throw it? Calculate the final & resultant velocity and acceleration.
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