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What is the maximum number of lines per centimeter a diffraction grating can have and produce a complete first-order spectrum for visible light?
A 300 kg elevator is being pulled upwards by a steel cable at a constant velocity. What is the net force on the elevator
The electric field everywhere on the surface of a thin, spherical shell of radius 0.795 m is of magnitude 852 N/C, What is the net charge within the sphere's surface
Two plastic semicircular rods are arranged into a complete circle with radius 8.5cm. The top half has charge of +15 pC, and the bottom half has charge of -15pC. Determine the magnitude and direction of the electric field at the center of the circl..
An interferometer is used to measure the length of a bacterium. The wavelength of the light used is 650 nm. How long is the bacterium
Unless otherwise stated, all objects are located near the Earth's surface, where g = 9.80 m/s2. find the coefficient of kinetic friction between the ice and the puck
The brakes of a truck cause it to slow down by applying a retarding force of 4520 N to the truck over a distance of 1150 m
700 g of an unknown metal powder at Thot = 78°C are dropped into a negligible heat capacity calorimeter containing 140 g of water at 11°C, Calculate the specific heat of the metal powder
a girl who weighs 720 N rides on a FErris wheel of radius 7.5 m. when at the top of the wheel her effective weight is 600 N. Find out her speed and the angular speed of the wheel
A ferryboat transports tourists among three islands. It sails from the first island to the second island, 5.78 km away, Calculate the distance between the first and third islands
The second-order dark fringe in a single-slit diffraction pattern is 1.40 mm from the center of the central maximum. calculate the wavelength of the incident light
An undamped 1.42-kg horizontal spring oscillator has a spring constant of 29.9 N/m. While oscillating, it is found to have a speed of 2.53 m/s as it passes through its equilibrium positio
A 100 W lightbulb produces 4.0 W of visible light. What is the light intensity on a wall 3.0 m away from the lightbulb
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