Physics, 16.07.2019 00:20 quinteroalex2001
Asolid sphere of radius r rotates about a diameter with an angular speed ω. the sphere then collapses under the action of internal forces to a final radius r/2. what is the final angular speed of the sphere
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Acompound machine is also called a machine. a. force b. simple c. complex d. directional
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Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?
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Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?
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An object weigh 40n in air ,weigh 20n when submerged in water,and 30n when submerged in a liquid of unknown liquid density.what is the density of unknown of liquid?
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Asolid sphere of radius r rotates about a diameter with an angular speed ω. the sphere then collapse...
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