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A 500 ohm resistor in series with a3.00 μF capacitor is connected to a 12.0 Volt (peak) 120 Hz AC power supply.
a) Compute the reactance.
b) Compute the total impedance.
c) Compute the phase difference between current and voltage (which leads?).
d) Compute how much power is dissipated in the resistor?
A 2000 kg car traveling at a speed of 23m/s skids to the halt on wet concrete where = 0.60. How long are the skid marks.
A river flows due east at 1.43 m/s. A boat crosses the river from south shore to the north shore by maintaining a constant velocity of 10.5 m/s due north relative to the water.
An extreme skier, starting from rest, coasts down a mountain slopethat makes an angle 25.0° with the horizontal. How fast is she going just before she lands
Consider the RC-circuit with R = 3 k%u03A9, C = 100 %u03BCF, and E = 12 V and a switch. At t = 0 the capacitor is empty and the switch is closed to the charging begins. Calculate the time constant of the circuit
A toy car with a mass of 120 g moves to the right with a speed of 0.43 m/s. What is the change in speed of the car
What is the maximum distance the center of the coin can be placed from the axis if the turntable rotates at 47.9 rev/min
A cannon with mass of 2000kg fires a 10kg shell at an angle of 60 degrees above the horizontal. what is the velocity of the cannon ball
what is the difference between the energy stored in a spring that is stretched 0.40 m and the energy stored in the same spring when it is stretched 0.20 m?
A rotating fan completes 1200 revolutions every minute. Consider a point on the tip of a blade, at a radius of 0.16 m. Through what distance does the point move in one revolution? What is the speed of the point?
A flight attendant pulls her 69N flight bag a distance of 246m along a level airport floor at a constant velocity. The force she exerts is 37N at an angle of 58° above the horizontal. Find the coefficient of kinetic friction between flight bag and..
A 1.5 m^3-volume tank holds oxygen gas (M = 32 g/mole) at the pressure of 500,000 Pa. The temperature is 27 C. Find the mass of oxygen in the tank (in kg)
Find the resolving power of a grating needed to separate the sodium-D spectral lines, which are at 588.5 nm and 589.2 nm. How many lines should the grating have to achieve this resolution in first order? (This is a very lower solution in terms of pre..
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