Physics, 16.02.2021 20:00 tryintopassenioryear
In order for an object to experience a change in velocity, the object must experience which of the following?
a) a net force
b) an acceleration
c) both of the above
d) none of the above
Answers: 2
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What was the first instrument to ever record an earthquake?
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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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Two pans of a balance are 24.1 cm apart. the fulcrum of the balance has been shifted 1.33 cm away from the center by a dishonest shopkeeper. by what percentage is the true weight of the goods being marked up by the shopkeeper? assume the balance has negligible mass. answer in units of %.
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Current from a charged capacitor lights a bulb. as time goes on the brightness of the
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In order for an object to experience a change in velocity, the object must experience which of the f...
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