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Light from an argon laser strikes a diffraction grating that has 5330 grooves per centimeter. The central and first-order principal maxima are separated by 0.488 m on a wall 1.75 m from the grating. Determine the wavelength of the laser light.
A sine wave with amplitude 20V is connected to a 10K resistor. Calculate the peak, rms, and average currents through the resistor. What power rating should the resistor have
Two disks are mounted on frictionless bearings on the same axle and can b brought together so that they can couple and rotate as one unit. what is the angular speed after coupling
A 2.0-cm-diameter spider is 1.50m from a wall. Determine the focal length of a lens that will make a half-size image of the spider on the wall
A steel aircraft carrier is 370 m long when moving through the icy North Atlantic at a temperature of 2°C. By how much does the carrier lengthen when it is travelling in the warm Mediterranean Sea at the temperature of 21 °C.
The Cosmoclock 21 Ferris wheel in Yokohama City, Japan, has a diameter of 100 m. Find the speed of the passengers when the Ferris wheel is rotating at this rate (in m/s)
A loop of diameter d = 10 cm, carrying a current I = 0.2 A is placed inside a magnetic field B = 0.3 T k hat. Calculate the magnitude of the torque on the loop
If wind blows at 25 m/s over a house, what is the net force on the roof if its area is 214 m2 and is flat
A 220 g top spinning at 14 rev/s makes an angle of 30° to the vertical and precesses at a rate of 1 rev per 8.0 s. what is the moment of inertia of the top
A 48.21 {rm kg} ice skater spins about the vertical axis through her body with her arms horizontally outstretched, making 2.20 turns each second. The distance from one hand to the other is 1.5 {rm m}. Biometric measurements indicate that each hand na..
A nickel crystal is used as a diffraction grating for x-rays. Then the same crystal is used to diffract electrons. what is the kinetic energy of each electron
An AA battery is connected to a parallel-plate capacitor having 4 diameter plates spaced 3 apart. How much charge does the battery move from one plate to the other.
Water is moving at a speed of 7.55 m/s through a fire hose with an internal diameter of 5.99 cm. What is the gauge pressure of water in the hose
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