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A 10g bullet is fired horizontally into a 300g wooden block initially at rest on a horizontal surface and becomes embedded in it. The coefficient of friction between block and surface in 0.50. The combined system slides 4.0m before stopping. With what speed did the bullet strike the block?
A 30 µF capacitor is charged to 88 V and is then connected across a 440 ? resistor. What is the initial charge on the capacitor? What is the initial current just after the capacitor is connected to the resistor?
An athlete swings a 3.90-kg ball horizontally on the end of a rope. The ball moves in a circle of radius 0.840 m at an angular speed of 0.670 rev/s. What is the tangential speed of the ball
a crate is pulled by a hoist a distance of 3.4m across the flat truck bed in 8 seconds. determine the work done in
A highway is to be built between two towns, one of which lies 50.0 km south and 80.0 km west of the other. at what angle would this highway be directed
A fisherman throws the anchor off her boat at an angle of 5°above the horizontal. how fast did she throw the anchor
The volume flow rate of the water supplied by a well is 1.53 x10-4 m3/s. The well is 31.8 m deep. Find the pressure difference the pump must maintain
A resonant circuit in a radio receiver is tuned to a certain station when the inductor has a value of 1.50 µH and the capacitor has a value of 2.20 pF. Find the frequency of the radio station
Suppose the temperature of 4.56 L of ideal gas drops from 359 K to 275 K. Find the number of moles of gas
Two coils of wire are placed close together. Initially, a current of 2.27 A exists in one of the coils, What is the mutual inductance of the two-coil system
A car with a total mass of 1.52 103 kg has wheels of radius 33.5 cm and moment of inertia 0.835 kg · m2. Find the car's translational kinetic energy when the car is moving at a speed of 27.5 m/s
A very long solenoid of circular cross section with radius r= 4.20cm has n= 90.0 turns/cm of wire. What is the magnitude of the force on the electron
In a movie, Tarzan evades his captors by hiding underwater for many minutes while breathing through a long, thin reed. calculate the deepest he could have been
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