1. Florence Griffith-Joyner of the United States set the women's world record for the 200 m run by running with an
average speed of 9.37 m/s. Suppose Griffith Joyner wants to jump over a river. She runs horizontally from the
river's higher bank at 9.37 m/s and lands on the edge of the opposite bank. If the difference in height between
the two banks is 2.00 m, how wide is the river?
Answers: 3
Physics, 22.06.2019 10:00, lorelei7668
(a) calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 10.0 g. silver has 47 electrons per atom, and its molar mass is 107.87 g/mol. (b) imagine adding electrons to the pin until the negative charge has the very large value 1.00 mc. how many electrons are added for every 109 electrons already present
Answers: 3
Physics, 23.06.2019 04:31, phillipselijah2
5400 j of energy are given off when a 50 g of aluminum pan changes temperature. does the temperature of the pan increase or decrease and by how much?
Answers: 1
1. Florence Griffith-Joyner of the United States set the women's world record for the 200 m run by r...
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