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A 93 kilogram person lying on a surface of negligible friction shoves a 68 gram stone away from himself, giving it a speed of 4.0 m/s. Find what speed does the person acquire as a result?
_________m/s
A cylindrical eraser of negligible mass is dragged across a paper at a constant velocity to the right by its pencil. The coefficient of kinetic friction between eraser and paper is 0.650. The pencil pushes down with 3.70 .
a cylinder contains a mixture of helium and argon gas in equilibrium at 170degc.a what is the average kinetic energy
a ball of mass m bounces horizontally back and forth between two heavy vertical walls each of mass mgtgtm. the
A pen contains a spring with a spring constant of 251 N/m. How much work is done by the spring force to ready the pen for writing
Two protons are moving directly toward one another, When they are very far apart, their initial speeds are 2.77 106 m/s. What is the distance of closest approach
To work off a large pepperoni pizza you ate; you climb a 120 meter high hill. Find how much chemical energy is expended by you during the climb
A spring is stretched a distance of Dx = 40 cm beyond its relaxed length. Attached to the end of the spring is an block of mass m = 12 kg, which rests on a horizontal frictionless surface. what is the speed of the attached object
A homemade capacitor is assembled by placing two 10in pie pans 6cm apart, Estimate the electric field halfway between the plates
the drawing shows a skateboarder moving at 4.6 ms along a horizontal section of a track that is slanted upward by 48deg
How much charge passes through the hair dryer. Find the magnitude of the magnetic field at the center of the square.
A thin soap film (n = 1.302) suspended in air has a uniform thickness. When white light strikes the film at normal incidence, violet light (&lambdav = 412 nm) is constructively reflected. At what angle of incidence will green light (&lambdag = 562..
Lunar astronauts placed a reflector on the moon's surface, off which a laser beam is periodically reflected, What percent accuracy is this, given the average distance to the moon is 3.84
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