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A 3.0 resistor and a second resistor are connected in seriesacross a 25.0 V battery. A current of 4.0 A flows through the first resistor. Analyzethe circuit to determine the values described below.
Hint, use the grid method to solve for unknowns and then fillthen in values below. (They will not necessarily be inorder.)a) What is the resistance of the second resistor?b) What is the equivalent resistance across the combination of thetwo resistors?b) What is the current out of the battery?c) What is the voltage out of the battery?d)What is the voltage drop across the 3.0 resistor?e) What is the voltage drop across the second resistorf) What is the current through the 3.0 resistor?g) What is the current through the second resistor?
A violin string has a length of 0.360 m and is tuned to concert G, with fG = 392 Hz. (a) How far from the end of the string must the violinist place her finger to play concert A, with fA = 440 Hz? cm from the bridge (b) If this position is to remain ..
An instructor wants to use a lens to project a real image of a light bulb onto a screen 2.27 m from the bulb. what focal length lens will be needed
suppose a 29.9-kg child sits 1.27 m to the left of center on the same seesaw as the problem you just solved in the
A heater runs on an AC voltage of 120 V and draws a power of 25 W. how much current would flow through the heater
A 9.9kg dog takes a nap in a canoe and wakes up to find the canoe has drifted out onto the lake but now is stationary. What is the mass of the canoe
A 13 cm × 13 cm × 13 cm box containes 0.025 mol of nitrogen at 30°C. What is the rate of collisions (collisions/s) on one wall of the box
A ring of radius R has uniform charge per unit lenght ? C/m (?>0), and z is the dince along its axis. Explain why the electric field must be zero at the center of the ring
One long wire lies along an x axis and carries a current of 42 A in the positive x direction, What is the magnitude of the resulting magnetic field at the point (0, 2.0 m, 0)
Two equal point charges of magnitude 4.0 ?C are situated along the x-axis at x1 = -2.0 m and x2 = -2.0 m. What is the electric potential energy of this system of charges
A motorist travelling at 17m/s encounters a deer in the road 49m ahead. If the maximum acceleration the vehicle's brakes are capable of is -7 m/s2. If his or her reaction time is 1.9987 s, how fast will (s) he be travelling when (s) he reaches dee..
An ideal gas expands at a constant total pressure of 2.5 atm from 3.45 L to 6.70 L. calculate the total heat flow into the gas
A car of mass 840.0 kg accelerates away from an intersection on a horizontal road. Calculate the acceleration of the car at that time
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