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Each of the following objects has a radius of 0.174 m and a mass of 2.79 kg, and each rotates about an axis through its center (as in the table below) with an angular speed of 41.7 rad/s. Find the magnitude of the angular momentum of each object.
A 380 turn solenoid of length 38.0 cm and radius 2.80 cm carries a current of 4.90 A. find the magnetic field strength inside the coil
Write an expression for the instantaneous voltage delivered by an AC generator supplying 120 V (rms) at 60 Hz
If a 4 cm piece of insulation is added to the pine ceiling kpine = 0.120 J/msC kinsul = 0.042 J/msC If a 4 cm piece of insulation is added to the pine ceiling , find the interface temperature for the pine and insulation.
Some strands of Christmas tree lights are wired in series. What happens to the other lights if one of the bulbs is removed? What happens if one of these bulbs is removed
how high above the target must the rifle barrel be pointed.
A major league pitcher can throw a baseball in excess of 42.9 m/s. If a ball is thrown horizontally at this speed, how much will it drop by time it reaches the catcher who is 18 m away from the point of release.
Wildlife biologists fire 19g rubber bullets to stop a rhinoceros, charging at 0.83 m/s. The bullets strike the rhino and drop vertically to the ground. What impulse does each bullet deliver
A research submarine has a 10-cm-diameter window that is 8.9cm thick, What is the submarine's maximum safe depth in salt water
Your weight is due to the gravitational attraction of the Earth. The Moon, though, also exerts a gravitational force on you, and when it is overhead, Calculate the effect of the Moon on your weight
Your engineering firm is asked to specify the maximum load for the elevators in a new building. Each elevator has mass 440kg when empty and maximum acceleration 2.27m/s^2 . The elevator cables can withstand a maximum tension of 20.7kN before break..
A ball on the porch rolls 60 {rm cm} to the porch's edge, drops 40 {rm cm}, continues rolling on the grass, and eventually stops 80 {rm cm} from the porch's edge.
The internal energy of a system increases by 100 J while 800 J of work are performed on it. What was the heat flow into or out of the system
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