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Bill is farsighted and has a near point located 110 cm from his eyes. Anne is also farsighted, but her near point is 61.9 cm from her eyes. Both have glasses that correct their vision to a normal near point (25.0 cm from the eyes), and both wear the glasses 2.0 cm from the eyes. Relative to the eyes, what is the closest object that can be seen clearly
(a) by Anne when she wears Bill's glasses and
(b) by Bill when he wears Anne's glasses?
Find the kinetic energy of a 81.0-kg spacecraft launched out of the solar system with speed 146 km/s by using the classical equation K =(1/2)mu^2
The sun produces energy by nuclear fusion reactions, in which matter is converted into energy. How many kilograms of matter does the sun lose each second
What is the vertical force on the support closest to the piano.
The escape velocity of a bullet from the surface of planet Y is 1791 m/s. Calculate the escape velocity from the surface of the planet X
At a distance r1 from a point charge, the magnitude of the electric field created by the charge is 345 N/C. At a distance r2 from the charge, the field has a magnitude of 120 N/C
Rocket-powered sleds are used to test the human response to acceleration. what is the distance that the sled travels
One afternoon, a couple walks five-sixthsof the way around a circular lake, the radius of which is1.70km. What are the magnitude and direction (relative to due east) ofthe couple's displacement
An electric field of 8.55x10^5 V/m is desired between two parallel plates, each of area 35.00 cm^2 and separated by 2.45mm of air. What charge should be on each plate.
A small, 300g cart is moving at 1.30m/s on an air track when it collides with a larger, 5.00kg cart at rest. What is the speed of the large cart after the collision
A 4kg pumpkin is sitting stationary on a platform. What is the total energy of the pumpkin measured by a person standing on the platform
A homemade capacitor is assembled by placing two 10in pie pans 6cm apart, Estimate the electric field halfway between the plates
The work function for zinc is 4.31 eV. Ultraviolet light of wavelength 144 nm is incident on the clean surface of a zinc sample. What is the photon energy of the ultraviolet light
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