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A single slit is illuminated with monochromatic light, and a screen is placed behind the slit to observe the diffraction pattern. If the width of the slit is .50 mm, the wavelength is 680 nm, and the screen is 1.80 m from the slit, what would be the width of the central maximum?
An LCR circuit contains a resistor with R = 450 ? and a capacitor with C = 3,500 ?F. If the resonant frequency is 30 kHz, what is the value of the inductance
A source of AC voltage with a frequency of 60 Hz, Find the shortest time in seconds required for the voltage across the light bulb to reach 170 V
To make an order-of-magnitude estimate of the energy level spacings in the nucleus, Calculate the energy of the ground state
You are in a hot air balloon (yes, another balloon problem!) rising from the ground at a constant velocity of 2.70 m/s upward. To celebrate the takeoff, you open a bottle of champagne, expelling the cork with a horizontal velocity of 4.00 m/s rela..
Kelli weighs 417 N, and she is sitting on a playground swing that hangs 0.44 m above the ground. Her mom pulls the swing back and releases it when the seat is 1.00 m above the ground. Imagine that air resistance is negligible.
It is 150 cm from your eyes to your toes. You are standing 196 cm in front of a tall mirror. How far is it from your eyes to the image of your toes.
A 79 kg person sits on a 3.7 kg chair. Each leg of the chair makes contact with the floor in a circle that is 1.3 cm in diameter. Find out the pressure exerted on the floor by each leg of the chair, suppose the weight is evenly distributed.
Two speakers emit sound waves with frequency of 418 Hz. They are driven by the same oscillator so that they are in phase with each other. How far apart are the antinodes in that standing wave
A liquid fueled rocket is red on a test stand. The rocket nozzle has an exit diameter of 30 cm, find the temperature of the gases at the nozzle exit plane
For the situation, the magnetic field changes with time according to the expression B = (2.00t3 - 4.00t2 + 0.800)T, and r2 = 2R = 5.00 cm. (a) Calculate the magnitude and direction of the force exerted on an electron located at point P2 when t = 2.00..
The two surfaces of a plastic converging lens have equal radii of curvature of 25.0cm, Calculate the index of refraction of the plastic
A professor's office door is 0.95 wide, 2.2 high, 4 thick; has a mass of 22 , and pivots on frictionless hinges. A "door closer" is attached to door and the top of door frame. When the door is open and at rest, the door closer exerts a torque of 5..
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