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An elderly sailor is shipwrecked on a desert island, but manages to save his eyeglasses. The lens for one eye has a power of +1.18 diopters, and the other lens has a power of +8.80 diopters.
(a) What is the magnifying power of the telescope he can construct with these lenses?
m=______
(b) How far apart are the lenses when the telescope is adjusted for minimum eyestrain?
L=______ m
Find the potential on the axis of a charged ring carrying some charge density (lamda) uniformly distributed around it
What are the two main mechanisms that the planet Earth uses to balance water that goes up with the water that comes down over Earth.
Construct a point charge configuration with three charges where there is a point (not at infinity) where the electric field is zero.
What is the speed of the large cart after the collision. A 345 g chunk of gold at 98.5 degrees Celsius is dropped into a 656 g of water at 22.5 degrees Celsius. What will final temperature of the gold be after the system reaches equilibrium.
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A gymnast with mass m1 = 41 kg is on a balance beam that sits on (but is not attached to) two supports. The beam has a mass m2 = 108 kg and length L = 5 m. Each support is 1/3 of the way from each end. at least the gymnast stands at the left end of..
Physics - Classical Mechanics - Inclined Plane, A packing crate is placed on a plane inclined at an angle of 350 from horizontal. If the coefficient of static friction
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The rms speed of a sample of gas is increased by 3 percent. What is the percent change in the temperature of the gas? What is the percent change in the pressure of the gas, assuming its volume is held constant?
An 2400W arc welder is connected to a 660?Vrms ac line, Calculate the peak voltage and Calculate the peak current
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