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A 63.0-O resistor is connected in parallel with a 120.0-O resistor. This parallel group is connected in series with a 19.0-O resistor. The total combination is connected across a 15.0-V battery.
(a) Find the current in the 120.0-O resistor.
(b) Find the power dissipated in the 120.0-O resistor.
A 2.6k and a 1.8k resistor are connected in parallel and this combination is connected in series with a 1.8k resistor. If each resistor is rated at 1/2W, what is the maximum voltage that can be applied across the whole network.
A tennis player swings her 1000g racket with a speed of 12m/s . She hits a 60g tennis ball that was approaching her at a speed of 17m/s. what is the average force that the racket exerts on the ball
A 2.00×10^4 kg railroad car is rolling at 4.00m/s when a 5000kg load of gravel is suddenly dropped in. What is the car's speed just after the gravel is loaded
What is the net force exerted on the skier, assuming his acceleration is constant.
Which one of the following statements concerning standing soundwaves is FALSE? For a tube open at one end only, standing waves of oddharmonics are the only ones present.
A 1024x1024 pixel detector array with 20 mu m pixels is placed in the focal plane of a 4 m diameter telescope with a system focal ratio of 116. What is the angular scale (in arcsec per pixel) and the field of view for this detector?
a playground merry go round has a radius of 4.40 m and a moment of inertia of 245kg.m^2 and turns with negligible friction about a vertical axle through is center. What is the average power supplied by the child
Find the minimum uncertainty in the speed of a bacterium hav-ing mass 3.0 x 10-15 kg if we know the position of the bacterium to within 1.0 micron, that is, to about its own size.
Two small spheres hang in equilibrium at the bottom ends of threads, 40.0 cm long, that have their top ends tied to the same fixed point. Find the distance between the centers of the spheres
A factory worker pushes a 25.0 kgcrate a distance of 4.6 m along a level floor at constant velocityby pushing horizontally on it. What is the total work done on the crate
the only force acting on a 1.8 kg body as it moves along the positive x axis has an x component fx - 6x n where x is
a series rlc ac circuit has a capacitive reactance of 55 w and inductive reactance of 25 W and a resistance of 40 W. what is the impedance of this circuit
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