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A diffraction grating with 280 lines per mm is used in an experiment to study the visible spectrum of a gas discharge tube. At what angle from the beam axis will the first order peak occur if the tube emits light with wavelength of 400.0 nm? At what angle will the second order peak occur?
A cube of copper with each edge having the dimension 12.7 mm, is put in a vise and squeezed by a force of 215 N exerted by either side of the vise. What is the stress in the copper cube
Regulation tennis balls have a mass of 57.5 g. When dropped from a height of 3.07 m they must rebound to a height of 2.13 m to be acceptable for play
A wave is moving along a string. The equation giving the displacement y of a point at coordinate x and at time t has the form y = 0.2cos(4pi(x)/5-20pi(t)), Calculate the frequency and the speed(m/s) of the wave
Nate the Skate was an avid physics student whose main non-physics interest in life was high-speed skateboarding. What were Nate\'s speeds immediately before and after the collision
An electron has an initial velocity of 4.9 × 106 m/s in a uniform 1.9 × 105 N/C strength electric field, What is the direction of the electric field
A newly discovered planet has a mean radius of 2020 km. A vehicle on the planet\'s surface is moving in the same direction as the planet\'s rotation, what is the period of the planet\'s rotation
Electrons are ejected from a certain metallic surface with speeds ranging up to 4.2 105 m/s when light with a wavelength of ? = 615 nm is used. What is the work function of the metal?
You want a screen to be illuminated with an intensity of 662 mW/m2. The screen is 10.05 m away from the light source, What is the power of the light source
Jet fighter planes are launched from aircraft carriers with the aid of their own engines and a catapult. what is the work done on the jet by the catapult
A projectile is fired at an upward angle from the top of a 165 m cliff with a speed of 195 m/s. What will be its speed when it strikes the ground below
In a television set, electrons are accelerated from rest through a potential difference of 22 kV. Find the magnitude of the maximum magnetic force
Calculate the force of gravity on the same 1-kg mass if it were is 6.4 x106 m above the earth’s surface (that is, if it were 2 Earth radii from the Earth’s center)
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