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To minimize the power loss in the conducting wires, would it be better to deliver 100 Watts of power in the form of a 1Amp current at 100 Volts or a 100A current at 1 Volt? Describe (assume that the conducting wire has a resistance of 0.01Ω and calculate the power loss in each case).
questionan ideal gas is placed in a tall vertical cylinder with cross-sectional area a 0.1 m2.nbspa frictionless
A 22.29 g ball of clay traveling east at 3.83 m/s collides with a 44.01 g ball of clay traveling north at 4.28 m/s. What is the speed of the resulting 66.3 g ball of clay
a flutist assembles her flute in a room where the speed of sound is 340 ms. when she plays the note a it is in perfect
A 0.14-kg balloon is filled with helium (density = 0.179 kg/m3). If the balloon is a sphere with a radius of 5.3 m, what is the maximum weight it can lift
A science student is riding on a flatcarof a train traveling along a straight horizontal track at aconstant speed of 12.0 m/s. How high does she see the ball rise
A 12.0 m long conveyor belt, inclined at 40.0°, is used to transport bundles of newspapers from the mailroom up to the cargo bay to be loaded on to delivery trucks. Each newspaper has the mass of 1.00 kg, and there are 26 newspapers per bundle. Concl..
A sample has a activity of 0.0021 Bq per gram of carbon. Find the age of the sample, assuming that the activity per gram of carbon in a living organism has been constant at a value of 0.23 Bq
Light from the sun allows a solar cell to move electrons from the positive to the negative terminal, determine the emf of this solar cell
A coil of wire that is 3.0cm in diameter has 1500 turns is in a magnetic field that goes from0 T to 0.5 T in 5 ms. The axis of the coil is parallel to thefield. What is the emf of the coil?
What is the internal resistance of an automobile battery that has an emf of 12.0 V and a terminal voltage of 16.5 V while a current of 7.50 A is charging it
on a frictionless air track a 0.125 glider moving at 1.05 to the right collides with and sticks to a stationary 0.235
A wagon is rolling forward on level ground. Friction is negligible. The person sitting in the wagon is holding a rock. The total mass of the wagon, rider, and rock is 95.0 kg. The mass of the rock is 0.300kg.
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