4. Increasing the mass of this freight train will Enter Text Here
its kinetic energy.
5. Decreasing the train's speed will
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its kinetic energy
6. Given the choice of increasing either the mass of
the train or its speed, increasing its
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will result in the
greatest increase in the train's kinetic energy.
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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.

The total amount of energy contained in an object

Against his financial advisor's advice, frank has decided to invest his money in some risky stocks because he once made quite a bit of money in the stock market. his decision illustrates a. the representativeness heuristic b. overconfidence c. the availability heuristic d. confirmation bias select the best answer from the choices provided