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For the RL circuits a simple RL circuit let the inductance be 3.0H, the resistance 7.50 and the battery emf at 36v. At t=0 the switch is closed.
1.Calculate the voltage across the inductor at when the current is 2.00A.
2.Calculate the time at which the current is 0. 3.Calculate the time at which the current is 1.
4.Calculate the current when t=0.4s
5. After a very long time what is the voltage across the Inductor.
Three identical charges of 3.0uC are placed at the vertices of an equilateral triangle which measures 30cm on a side. What is the magnitude of the electrostatic force which acts on any one of the charges
The ball has a mass of 30 kg and a speed v=4m/s at the instant it is at its lowest point, 0 degrees.. Determine the tension in the cord at the instant = 25. Neglect the size of the ball. Determine the rate at which the ball's speed is decreasing at t..
if you plot a best-fit line for data on a graph of position vs. time, what units does the lines (vertical) intercept have
An air parcel moves northwards and becomes entrained in a strong westerly flow, circling the entire globe in the space of a few weeks. State the name given to this high-level flow and define briefly how its structure is related to lateral and vert..
Two people are carrying a uniform wooden board that is 3.40m long and weighs 145N. What force does the other person lift
First, you will investigate purely vertical motion. The kinematics equation for vertical motion (ignoring air resistance) is given by y(t) = y0 + V0t-(1/2)gt^2 where y0=0 is the initial position, How long does it take for the baseball to hit the gr..
A 340kg wooden raft floats on a lake. When a 65kg man stands on the raft, it sinks 3.0cm deeper into the water. When he steps off, What is the total energy of vibration
In a science museum, a 130kg brass pendulum bob swings at the end of a 13.7m -long wire. how many oscillations will the pendulum have completed
A proton has an initial speed of 4.6X10^5 m/s. What potential difference is required to bring the proton to rest
suppose that all the energy goes into the arrow, with what speed does the arrow leave the bow.
A large air conditioner has a resistance of 6.0 Ohm and an inductive reactance of 16 Ohm. Find the impedance of the air conditioner
A car approaches the top of a hill that is shaped like a vertical circle with a radius of 51.6 m. What is the fastest speed that the car can go over the hill
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