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An object is 30.0 cm to the left of a converging lens whose focal length is 50.0 cm.
1) Draw a ray diagram to scale and from it determine the image distance and the magnification.
2) Use the thin-lens and magnification equations to verify your answers to part 1.
Two charges are separated by a distance d and exert a mutual attractive force of magnitude F on each other. find the magnitude of the new mutual force of attraction
Two tiny spheres have the same mass and carry charges of the same magnitude. Determine the charge magnitude
The current in a simple series circuit is 5.40 A. When an additional resistance of 8.60 ohms is inserted, What was the resistance (in ohms) of the original circuit
A light ray enters a rectangular block of plastic at an angle of θ1 = 45.0o and emerges at an angle of θ2 = 76.0o. Determine the index of refraction for the plastic
An overhead projector has a convergent lens of focal length 35.0 cm. It projects the image of transparency on a wall 4.00 meters from the lens. how wide is the image on the screen
A simple RC circuit is shown below, where .50 MΩ and C= 1.50 μF. The capacitor has a charge of 90.0 μC before the switch is closed. The switch closes at 0 s. Determine the time constant of the circuit
A bucket filled with dirt of mass 22 kg is suspended by a rope that hangs over a pulley of mass 31kg and radius 0.15 m. everything is at first at rest.
Light of two different wavelengths is used in a double-slit experiment. What is the wavelength of the other light
A second oil is then poured into the right arm until the two levels are even. A small object (density 0.640 g/cm3 ) is dropped into the second column of oil and it is found to float with 20.0% of its volume above the surface.
two spheres with uniform surface charge density first with a radius of 7.2 cm and the second with a radius of 5.0 cm
Under standard conditions, the density of air is 1.293 kg/m3 and that of helium is 0.178 kg/m3, What must be the minimum diameter of the spherical balloon
A child of a bag at a speed of 0.70m/s. The speed of the river over the edge is 1.50 m/s. Determine the speed of the child
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