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Consider a circuit consisting of a lightbulb and a capacitor .
Part A:If the frequency of the generator is increased, does the intensity of the lightbulb increase, decrease, or stay the same?Part B:Choose the bestexplanation from among the following:The intensity of the lightbulb is independent of frequency because the circuit contains a capacitor but not an inductor.The intensity of the lightbulb increases because as the frequency becomes higher the capacitor acts more like a short circuit, allowing more current to flow.As the frequency increases it becomes harder to force current through the capacitor, and therefore the intensity of the lightbulb decreases.
Red light of wavelength 670.0 nm produces photoelectrons from a certain photoemissive material. What is the material's work function
An airplane flies eastward and accelerates uniformly. At one position along its path it has a velocity of 33.3 m/s. Find the airplane\'s acceleration
At one instant a bicyclist is 25m due east of a park's flagpole, going due south with a speed of 8 m/s. Then, 11 s later, the cyclist is 65m due north of flagpole, going due east with a speed of 10 m/s.
A cannon tilted up at a 30° angle fires a cannon ball at 90 m/s from atop a 16 m high fortress wall. What is the ball's impact speed on the ground below
A spherical bowling ball with mass m = 3.3 kg and radius R = 0.11 m is thrown down the lane with an initial speed of v = 8.9 m/s. What is the magnitude of the final velocity
The rechargeable batteries for a laptop computer need a much smaller voltage than what a wall socket provides. What is the current coming from the wall socket
Electrons are accelerated from rest through a potential difference of 350V and then enter a uniform magnetic field that is perpendicular to the velocity of the electrons. what is the angular speed of this electron
You produce an image of the Sun on a screen using a thin lens whose focal length is 28.3 cm. What is the diameter of the image in millimeters
A 3000kg space vehicle, initially at rest, falls vertically from a height of 3100km above the Earth's surface. Determine how much work is done by the force of gravity
Water at a pressure of 4.3 atm at street level flows into an office building at a speed of 0.6 m/s through a pipe 5 cm in diameter. What is the pressure in the top floor pipe
A 2.30-kg object attached to a spring moves without friction (b = 0) and is driven by an external force given by the expression F = 3.40sin(2?t), Find the angular frequency of the driven system
A soccer player kicks a ball that is on the ground down the field. The balls initial velocity is 10 m/s, 30 degrees above the horizontal. How long does is take for the ball to land down the field
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