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(a) What is the rms current in a series RC circuit if R = 7.0 k, C = 0.80 µF, and the rms applied voltage is 100 V at 60 Hz?
(b) What is the phase angle between voltage and current?
(c) What is the power dissipated by the circuit?
(d) What are the volt meter readings across R and C?
A stone is dropped from the roof of a building; 2.10s after that a second stone is thrown straight down with the initial speed of 18 m/s, and both stones hit the ground at the equal time. How long did it take for the first stone to hit the ground.
A tank with a volume of 0.150 m contains 27.0 degrees celcius helium gas at a pressure of 100 atm. How various balloons can be blown up if each filled balloon so a sphere 30.0 cm in diameter at 27.0 and absolute pressure of 1.20atm .
From what height did the student fall? Assume that the only force acting on him throughout the collision is that as a result of the ground.
What is the speed of the second asteroid? Now suppose that the first and second asteroids carry charges of 3.68 C and -3.68 C, respectively. How fast would the second asteroid have to be moving in order to occupy the same circular orbit as before?
When two tuning forks of 128 Hz and 149 Hz, respectively, are sounded simultaneously, how various beats per second are heard.
A plane is headed east with an air speed of 205.0 m/s. The wind blows southeast at 32.0 m/s. Determine the velocity of the plane relative to the earth.
What is the speed of the block of clay right after the collision. What impulse does the clay exert on the block.
A 460-Hz tuning fork causes resonance in the tube depicted in the figure below when the length L of the air column above the water is 18.3 and 55.8 cm, Find the speed of sound in air
A particle of mass m moves next to the x axis. Its position varies with time according to x=(3m/s^3)t^3-(4m/s^2)t^2.
A circuit consists of a battery connected to three resistors (65?, 26?, and 170?) in parallel. find the current through each resistor
A straight, nonconducting plastic wire 8.50 cm long carries a charge density of +175 nC/m distributed uniformly along its length, Find the magnitude and direction of the electric field
A swimming pool has dimensions 32 m 11 m and a flat bottom. When the pool is filled to a depth of 2.10m with fresh water, what is the force caused by the water on the end that is 11m.
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