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In a slide or movie projector, the film acts as the object whose image is projected on a screen.
Part A. If a 116 mm focal-length lens is to project an image on a screen 8.00 m away, how far from the lens should the slide be?
Part B. If the slide is 36 mm wide, how wide will the picture be on the screen?
A 56-kg student runs at 4.2m/s , grabs a hanging 10.0-m-long rope, and swings out over a lake. He releases the rope when his velocity is zero. What is the angle when he releases the rope
The objective of a certain lens system is a double convex lens of 10.2 cm focal length; how far is the image from the eyepiece
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Find the speed of a satellite moving in a circular orbit just above the surface of Mars. Mars has a radius of 3.40 106 m and a mass of 6.42 1023 kg
A destroyer sends a sonar pulse out to detect a submarine directly below the ship in the ocean. find how deep is the submarine
A sheet of glass is coated with a 495-nm-thick layer of oil (n = 1.42), What is the color of reflected light and What is the color of the most part of transmitted light
The radius of curvature of a loop-the-loop for a roller coaster is 11.8 m. Find the speed of the roller coaster at the top of the loop
An astronomical telescope uses an objective power +2.00 D. If the length of the telescope is 52 cm, what is the focal length of the eyepiece
Consider a solid sphere and a thin shell with the same radius and the same mass. Explain why the thin shell has a greater amount of intertia
What is the net upward force on an airplane wing of area 20.0 m2 if the speed of air flow is 221 m/s across the top of the wing and 206 m/s across the bottom
A train car with mass m1 = 556 kg is moving to the right with a speed of v1 = 8.6 m/s and collides with a second train car, What is the initial momentum of the first train car
A 30.0 cm long string is fixed at both ends. If standing waves are formed, what is the wavelength of the fundamental mode
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