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The output voltage of an AC generator is given by ?v = (130 V)sin(70pt). The generator is connected across a 15.0-O resistor.
(a) By inspection, what is the maximum voltage? V
(b) By inspection, what is the frequency? Hz
(c) Find the rms voltage across the resistor. V
(d) Find the rms current in the resistor. A
(e) Find the maximum current in the resistor. A
(f) Find the power delivered to the resistor. W
(g) Find the current when t = 0.0050 s. A
(h) Should the argument of the sine function be in degrees or radians? The argument of the sine function should be in degrees.The argument of the sine function should be in radians.
A rocket passes Earth and travels to a star, 80 light-years away. The earth hand the star are in the same frame of reference and the rocket moves at 0.9c with respect to the earth and the star. How many years does it take the rocket to reach this s..
Calculate the minimum angle which the direction of the force acting between the cylinders and the rough surface makes with the vertical?
q1. a 2.90-m-long 300 kg steel beam extends horizontally from the point where it has been bolted to the framework of a
man 1 was experimenting with friction and attempting to pull man 2 across the surface of a floor. man 1 applies a
A cabinet of mass 31 kg is on a level floor. Between the cabinet bottom and the floor, the static friction coefficient is μs = 0.3 and the kinetic friction coefficient is μk = 0.2. If a force of 380 N is applied on the cabinet horizontally, what woul..
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Find an expression for the minimum frictional coefficient needed to keep a car with speed v on a banked turn of radius R designed for speed v0
An ideal spring with a stiffness of 379N/m is attached to a wall, and its other end is attached to a block that has a mass of 16-kg. The spring/block system is then stretched away from the spring's relaxed position until 59J of mechanical potentia..
The time taken to cover the distance.
The hot resistance of a flashlight bulb is 1.90 , and it is run by a 1.53 V alkaline cell having a 0.100 internal resistance. Calculate the power supplied to the bulb
Two objects of masses m and 3.00 m are moving towards each other along the x-axis with the same initial speed of v. The object with mass m is travelling to the left.
Two beams of coherent light are shining on the same piece of white paper. With respect to the crests and troughs of such waves, where darkness will occur on the paper
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