The speed of a moving bullet can be determined by allowing the bullet to pass through two rotating paper disks mounted a distance
87 cm apart on the same axle. from the
angular displacement of 21.6◦
of the two bullet holes in the disks and the rotational speed
537 rev/min of the disks, we can determine
the speed of the bullet.
what is the speed of the bullet?
answer in units of m/s.
Answers: 3
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At 20∘c, the hole in an aluminum ring is 2.800 cm in diameter. you need to slip this ring over a steel shaft that has a room-temperature diameter of 2.804 cm . 1. to what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? coefficients of linear thermal expansion of steel and aluminum are 12×10−6 k−1 and23×10−6 k−1 respectively.
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The speed of a moving bullet can be determined by allowing the bullet to pass through two rotating p...
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