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In a series R-L-C circuit, the phase angle is 40.0, with the source voltage leading the current. The reactance of the capacitor is 400 and the resistance of the resistor is 200 . The average power delivered by the source is 150 .
A) Find the reactance of the inductor.
B) Find the rms current.
C) Find the rms voltage of the source.
It is desired to construct a solenoid that will have a resistance of 6.00 (at 20°C) and produce a magnetic field of 4.00 10-2 T at its center when it carries a current of 4.80 A. estimate the length the solenoid should have
Bill is flying an airplane with air speed 30.0 m/s. going south. Mike is on the ground and sees the plane traveling 25.0 m/s, 15 degrees east of south. What is the component of the wind's velocity to the north
Consider a particular star which is not too different from our sun. Its radius is 8.50 108 m, and its total power output is 5.50 1026 W. calculate its surface temperature
a crowbar 2m long is used to lift a rock 800n. if the fulcrum is 0.25m from where the crowbar touches the rock, how much effort must be applied to move the rock
For a damped oscillator with a mass of 240 g, a spring constant 59 N/m and a damping coefficient of 75.00 g/s, what is the ratio of the amplitude of the damped oscillations to the initial amplitude at the end of 12 cycles.
How much work is needed to push a 132- kg packing crate a distance of 2.35 m up an inclined plane that makes an angle of 26 o with the horizontal, when inclined plane is frictionless
At a testing facility, both a rocket and a jet are to be compared on their performance. The jet was tested first. what is the difference between a rocket and a jet
A man pushes a box of mass M with a force F using a stick AB of mass m and making a angle θ with the vertical. The coefficient of friction between the box and the floor is μ. Draw a clear diagram showing all the forces.
You are arguing over a cell phone while trailing an unmarked police car by 26.0 m; both your car and the police car aretraveling at 110 km/h. Your argument diverts your attention fromthe police car for 2.0 s (long enough for you to look at the pho..
During 6 successive intervals a runner moves at the following constant speeds: .326 km/min for 30 seconds, .123 km/min for 23 seconds, Compute the average speed of the runner
A -10.5 nC point charge and a + 21 nC point charge are 16.5 cm apart on the x- axis. where the electric potential is zero
What is the wavelength of the second laser that would place its second maximum at the same location as the fourth minimum of the first laser, if = 0.300 ?
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