Physics, 06.12.2019 14:31 5nathanomadrid5
Circle the letter of the sentence that explains why no machine is 100% efficient. a. electrical energy is transformed to mechanical energy by fuel. b. mechanical energy is transformed to thermal energy by friction. c. thermal energy is transformed to mechanical energy by friction. d. mechanical energy is transformed to electrical energy by a spark.
Answers: 3
Physics, 21.06.2019 18:30
Will a heavier bowling ball hit pins better than a lighter bsll
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Physics, 22.06.2019 10:00
One object has a mass of 1 kg and another object has a mass of 3 kg. if the speeds are the same, which of the following is true about their kinetic energy?
Answers: 2
Physics, 22.06.2019 11:10
Avolcano erupts next to a grassland area in a valley. a. describe three ways in which material released by the volcano could impact the grassland area. b. describe three ways in which the grassland ecosystem could recover after a volcanic eruption.
Answers: 3
Physics, 22.06.2019 15:10
Suppose that f : rn ā rm and that a ā k, where k is a connected subset of rn . suppose further that for each x ā k there exists a Ī“x > 0 such that f(x) = f(y) for all y ā bĪ“x (x). prove that f is constant on k; that is, f(x) = f(a) for all x ā k
Answers: 1
Circle the letter of the sentence that explains why no machine is 100% efficient. a. electrical ener...
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