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Suppose a 10 kHz signal with an amplitude of 1 volt is applied across a 0.25 * 10^-6 F resistor and a capacitor which are connected in series. What is the amplitude of the voltage drop across the capacitor?
A train moves due north at a rate of 9.6933 m/s relative to the ground. what is the magnitude of the ball's speed as measured by an observer on the ground
A heat pump uses 100 J of work to output 150 J of heat at some temperature. What is the heat that is withdrawn from some lower temperature
When the tungsten filament in a 60 W, 120 V light bulb reaches 2010degrees C, 60 W of electric power is used to produce light andheat. Find the current through the filament under these conditions which are established very shortly after the light i..
A 17.0-lb block rests on the floor. What force does the floor exert on the block, what is the force exerted by the floor on the 17.0-lb block
A gas is enclosed in a cylinder fitted with a light frictionless piston and maintained at atmospheric pressure. Calculate the change in internal energy of the gas
A flywheel for energy storage in a hybrid gasoline-electric car is a ring-shaped rotor of mass 49 kg, designed to rotate at 30000 rpm. What is the ring's diameter
find the electric field outside a uniformly charged hollow cylindrical shell with radius r and charge density sigma an
A person pushes a 14.0-kg lawn mower at constant speed with a force of F=88.0 N directed along the handle which is at an angle of 45.0 degrees to the horizontal. Calculate the kinetic friction coefficent
A single loop of wire with an area of 0.0900 m2 is in a uniform magnetic field that has an initial value of 3.80 T, is vertical to the plane of the loop, and is decreasing at a constant rate of 0.190 T/s.
A high-speed photograph of a club hitting a golf ball is shown in the figure below. The club was in contact with a ball, initially at rest, for about 0.0032 s. find the average force exerted on the ball by the club
A 148 gram baseball is hit toward the left by a bat. The magnitude of the force the bat exerts on the ball as a function of time, Find the magnitude of the impulse that the bat imparts to the ball
a physics professor demonstrates the doppler effect by tying a 600hz sound generator to a 1.0-m-long rop, what are the highest and lowest frequencies heard by a student in the classs room
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