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light that has a frequency of about 520 1014 hz a wavelength of about 578 nm appears yellow to our eyes what is the
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a 1800 g mass starts from rest and slides a distance l down a frictionless 26 incline where it contacts an unstressed
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you agree to build a backyard rope tow to pull your siblings up a 20-m slop that is tilted at 15 degrees relative to
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a 100 g lead rie bullet is red with a speed of v into a ballistic pendulum with mass 1000 kg suspended from a cord 100
a 1000kg train wagon moves at 20ms 500kg of material fall vertically into the wagon what is the final speed of the
the head of a golf club that has a mass of 200g moves at 55ms before hitting a golf ball that has a mass of 46gthe ball
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a pulley system has a mechanical advantage of 20 if one is trying to raise a piano with a mass of 377 kg at a constant
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an object is in free fall and at some point above the ground it has 43 joules of kinetic energy and 24 joules of
a mass of 10 kg is moving at 53 ms on a horizontal surface and the enitre surface has friction with a coefficient of
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1 a race car traveling at a tangential speed of 90 ms goes around a curve that has a radius of 50m the combined mass of
a coin is placed 29cm from the center of a horizontal turntable initially at rest the turntable begins to rotate when
a car of mass 409 kg travels around a flat circular race track of radius 156m the coefficient of static friction
an earth satellite remains in orbit at a distance of 11494 km from the center of the earth what speed would it have to
explain the musical explain the musical