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A lens is located 30 centimeter to the right of an object, with an image clearly focused on a screen 45 centimeter from the lens. When a second lens is placed 30 centimeter to the right of the first lens, the final image is shifted 15 centimeter to the right (so that it is now 60.0 cm from the first lens).
A) Evaluate the focal length of each lens.
B) Construct a ray trace to verify your calculations.
A circus performer stretches a tightrope among two towers. He strikes one end of the rope and sends a wave along it toward the other tower. He notes that it takes the wave 0.905 s to reach the opposite tower, 20.0 m away. If a 1 meter length of the r..
A ball of relatively low density is thrown upwards. Because ofair resistance the acceleration while traveling upwards is-10.8m/s2. On its trip downward the resistance is in theopposite direction and the resulting acceleration is-8.8m/s2.
a box rests on a frozen pond which serves as a frictionless horizontal surface. if a fisherman applies a horizontal
A 2.0 m conductor is formed into a square and placed in the horizontal xy-plane. What is the magnetic flux through the conductor
when a mass of 180g is attached to a vertical to a vertical spring and lowered to its equilibrium position, it is found that the spring extends 12cm. what is the period of the resulting oscillations
Air that occupies 0.19 cubic meters at 1.03e+05 Pa gauge pressure is expanded isothermally to atmospheric pressure, Compute the work done by the air
A simple pendulum consists of a bob of mass 1.8kg attached to a string of length of 2.5m. The pendulum is held at an angle of 30 degrees from the vertical by the light horizontal string attached to a wall.
A boy rolls a ball on a level floor 3.5 meter to another boy. If the ball makes 15.0 revolutions, evaluate what is its diameter
You have a wire with a current that points upwards. If you put a compass east of that wire, how would the magnitude and direction of the total magnetic field change
A 7.5-m long extension cord carries a current of 12 amps. The cord is made of two wires, Find the force between those two wires
Two identical speakers are separated by 3.4m and produce sound of different frequencies equally in all direction. Determine the sound level in decibels at the point that is a midway between the speakers
A double-slit experiment uses light of wavelength 633 nm with a slit separation of 0.1 mm and a screen placed 2.0 m away. What is the linear width of the central fringe
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