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two capacitors, when connected in series have an equivalent capacitance of 200 microfarads. When the same two capacitors are connected in parallel, the equivalent capacitance is 1000 microfarads. What is the capacitance of each capcitor?
When the centrifuge reaches an angular speed of 2.5 rad/s, the trainee experiences a total acceleration equal to 4.8 times the acceleration due to gravity. Explain how long is the arm of the centrifuge?
A heat engine produces 9440 J. of heat while performing 2340 J. of useful work. What is the percent efficiency of this engine
An object at rest explodes into three pieces of equal masses. One moves east at 23 m/s, while the second piece moves northwest at 14 m/s. Estimate the velocity of the third piece? Suppose each piece has a mass of 2 kg.
Two negative and two positive point charges (magnitude = 3.64mC) are positioned on opposite corners of a square (each side = 0.155 m).Determine the magnitude of the force on each charge.
The rms speed of the molecules in 1.8 of hydrogen gas is 1600 m/s. What is total translational kinetic energy of the gas molecules.
Illustrate what is the magnitude of the change in momentum of the ball while in contact with the bat if the ball leaves with a velocity of (a) 18 m/s, vertically downward, and (b) 18 m/s, horizontally back toward the pitcher?
A 1 mL syringe has an inner diameter of 4.0 mm, a needle inner diameter of 0.220 mm, and a plunger pad diameter (where you place your finger) of 1.20cm.
A large arm model was constructed with a free arm which weights 1 kg, an additional weight of 1 kg is supported by the arm at a distance of 12 cm from the pivot. What is the total torque of the resistance
A 33.0 g bullet moving at 434 m/s strikes a 5.0 kg bag of flour that is on ice, at rest. The bullet passes through the bag, leaving at 295 m/s. How fast is the bag moving while the bullet exits.
The flywheel of an engine has a moment of inertia 2.2 {rm kg} cdot {rm m} ^{2} about its rotation axis. What is its final kinetic energy.
Three resistors are connected in series across a battery, What is the greatest voltage that the battery can have without one of the resistors burning up
Radiation can supplement the energy needs of a home's water heater, Find what volume of water can be heated per hour from a temperature of 16.0oC to a temperature 61.0oC
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