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A 100 gram granite cube slides down a 30 degree frictionless ramp. At the bottom, just as it exits onto a horizontal table, it collides (elastically) with a 190 gram steel cube at rest. Find how high above table should granite cube be released to give the steel cube a speed of 180 cm/s?
what are the angles among the cable supporting the load and the beam and between the cable supporting the beam and the beam?
in a youngs double-slit experiment the wavelength of the light used is 550 nm in vacuum and the separation between the
A ship sets out to sail to a point 141km due north. An unexpected storm blows the ship to a point 138 km due east of its starting point. (a) How far (in km) and (b) in what direction (as an angle from due east, where north of east is a positive an..
a tray is moved horizontally back and forth in simple harmonic motion at a frequency of f 1.83 hz. on this tray is an
A 9.95 kg monkey is hanging by one arm from a branch and swinging on a vertical circle. find he magnitude of the centripetal force acting on the monkey
A single string is made up of two strings of different densities joined together. estimate what is the tension on the combined string
A star of mass 1.85×1031 kg and diameter 8.20E+9 m rotates with a period of 27.0 days. what is the new diameter of the star
a lamp is designed to operate at a temperature of 3100k. if the lamp is operated at a higher voltage that raises its
q1. the specific heat of lead is 128 jkg0c. 300 grams of lead shot at 1000c is mixed with 200 grams of water at 00c in
If the flywheel on my truck has a mass of 22.8Kg a radius of .4572 meters and is rotating at 250 revolutions per minute
Fairgoers ride a Ferris wheel with a radius of 5.00 m, the bottom of which is 1.75 m above the ground. The wheel completes one revolution every 36.0 s. What is the average speed of a rider on this Ferris wheel
Huck Finn walks at a speed of 0.60 m/s across his raft (that is, he walks perpendicular to the raft's motion relative to the shore). What is Huck's velocity (speed and direction) relative to the river bank
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