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Q. The circuit is operating in steady state (i.e., the capacitor has already been charged to its max charge possible), what is the current of I5 (hint: once a capacitor is charged to its max, how much current will flow in/out of it)?
Q. Water initially at 300 kPa and 250C is contained in a piston-cylinder fitted with stops. The water is allowed to cool at constant pressure until it exists as saturated vapor and the piston rest on the stops. Then the water continues to cool until the pressure is 100 kPa. On the T-v diagrams sketch, with respect to the saturation lines, the process curve passing through both the initial, intermediate and final states of the water. Label T, P and v values for end states on the process curves. Find the overall change in internal energy between the initial and final states per unit mass of water.
At time a grinding wheel has an angular velocity of 22.0. It has a constant angular acceleration of 33.0 until a circuit breaker trips at time = 2.20. From then on, the wheel turns through an angle of 431 as it coasts to a stop at constant angular de..
Two charged bodies exert the force of 0.185N on each other. If they are moved so that they are one-fourth as far apart, what force is exerted.
An object with a mass of 72.0 g displaces 590.0 ml of water when it is completely immersed. What is the buoyant force on the mass?
A horizontal bar of negligible weight has a 55.10 lb weight hanging from the left end and a 72.0 lb weight hanging from the right end. The bar is seen to balance 97.50 in from the left end. Find the length of bar.
Calculate each star's speed, and state whether it is moving toward or away from us.
What portion of jet power lost to producing sound Powdered steel is placed in a container
A particle has an acceleration of 6.39 for 0.28. At the end of this time the particle's velocity is 9.31 .What was the particle's initial velocity.
What minimum heat is needed to bring 230g of water at 20 degrees C to the boiling point and completely boil it away.
You push with a 20 N horizontal force on a 2 kg mass resting on a horizontal suface against a horizonatal friction forces of 12N. What is the accerlation.
Six artificial satellites complete one circular orbit around a space station in the same amount of time. Each satellite has mass and radius of orbit. The satellites fire rockets that provide force needed to keep a circular orbit around the space stat..
A subway train has three cars, each weighing 1.20 x 10^5 N. The frictional force on each car is 103 N, and the first car, acting as an engine, exerts a horizontal force of 4.80 x 10^4 N on the rails.
A car drives straight off the edge of a cliff that is 58 m high. The police at scene of the accident observed that the point of impact is 121m from the base of cliff. How fast was the car traveling when it went over the cliff.
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