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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?
The barrel has a length of 0.60 m and an opening whose radius is 2.8 10-3 m. A bullet (mass = 2.7 10-3 kg) has a speed of 380 m/s after passing through this barrel. Ignore friction and examine the average pressure of the expanding gas.
A source emits sound uniformly in all directions. A radial line is drawn from this source. On this line, determine the radialpositions of two points, 0.849 m apart, such that the intensitylevel at one point is 2.48 dB greater than that at the other.
A 2.90 box is moving to the right with speed 8.50 on a horizontal, frictionless surface, What distance does the box move from its position at before its speed is reduced to zero
A disk-shaped merry-go-round of radius 2.99 and mass 170 rotates freely with an angular speed of 0.623. Calculate the final kinetic energy for this system
A light bulb is connected to a 240 Vwall socket. The current in the bulb depends on the time t according to the relation I = (2.121 A) sin[ (439.6Hz) t ]. What is the resistance of the bulb's filament?
A motorcyclist is traveling along a road and accelerates for 4.50s to pass another cyclist. The angular acceleration of each wheelis +6.70 rad/s^2, and, just after passing, the angular velocity ofeach is +74.5 rad/s, where the plus signs indicate ..
when two light bulbs are connected in series bulb a is brighter than bulb b.if the positions of the bulbs were reversed
question given a typical wave function describing the state of a particle as a function of x at time t0 how would you
a monkey pulls a box of bananas with mass 6.2 kg on a surface with a constant speed of 0.50 m/s. how much is the normal force on the box
an electron moving with a speed of 9.5 105 ms in the positive z direction experiences zero magnetic force. when it
callisto and io are two of jupiters satellites. the distance from callisto to the center of jupiter is approximately 5
A force of 12 N is applied to the handle of a screwdriver being used to pry the lid off a paint can. As the force moves through a distance of 0.3 m, the screwdriver does 3.2 J of work on the lid. What is the efficiency of the screwdriver?
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