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There are three resistors connected to a battery , with E = 10 V and R1 = R2 = R3 600 Ω. Which arrangement gives the greatest power output? Please show work
A) R1 and R2 are in series with each other, and in parallel with R3.
B) R2 and R3 are in series with each other, and in parallel with R1.
C) R2 and R3 are in parallel with each other, and in series with R1.
D) R1, R2, and R3 are all in parallel with each other.
A Carnot engine works between two heat reservoirs at temperatures Th = 305 K and Tc = 60 K. How much heat does it give off in each cycle
A circus performer stretches a tightrope between two towers. He strikes one end of the rope and sends a wave along it toward the other tower. He notes that it takes the wave 0.730 s to reach the opposite tower, 20.0 m away.
It is possible to turn right handed unit co-ordinate system into a left handed unit system by multiplying all three unit vectors by one scalar determine what is this scalars
Consider the record throws for the javelin, men 98.48 m (Zelezny, 1996, 0.800 kg) and women 72.28 m (Spotakova, 2008, 0.600 kg); discus, men 74.08 m (Schult, 1986, 2.00 kg) and women 76.80 m (Rensch, 1989, 1.00 kg); and shotput, men 23.12 m (Barne..
a circular wire of radius 5.19 cm has a current of 3.81 a flowing in it. the wire is placed in a uniform magnetic field
A coin is located 27.9 cm to the left of a converging lens (f = 20.0 cm). A second, identical lens is placed to the right of the first lens, Find the separation between the lenses
a mass vibrates back and forth from the free end of an ideal spring of spring constant 20 nm with an amplitude of .3 m.
a block is on a horizontal surface a shake table that is moving back and forth horizontally with simple harmonic motion
Two long, parallel wires are separated by a distance of 2.8 cm. The force per unit length that each wire exerts on the other is 5 ×10-5 N/m. What is the current in the second wire
a baseball pitcher throws a fastball across home plate. the ball crosses the plate, calculate the speed of a baseball that takes .010 s to cross home plate, .30 m from front to back
A rocket of total mass M and with burnout mass 0.20 M attains a speed of 3 200 m/s after starting from rest in deep space. Evaluate the exhaust velocity of the rocket?
An object at rest explodes into three pieces. Two of them are equal in mass and break off at an angle of 88.7° to each other, both by a speed of 33.4 m/s. The last piece has 4 times as much mass as each of the other pieces. What is the magnitude of t..
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