Chemistry, 27.09.2019 03:30 brandonlatortu6882
Astone of mass 0.55 kilograms is released and falls to the ground. measurements show that the stone has a kinetic energy of 9.8 joules at the point of impact with the ground. what is the stone's velocity when it hits the ground?
a.6.3 meters/seconds
b.7.2 meters/seconds
c.8.1 meters/seconds
d.9.3 meters/seconds
Answers: 2
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One mole of zinc has a mass of 65.4 grams. approximately how many atoms of zinc are present in one mole of zinc? 32 × 1023 atoms 6 × 1023 atoms 66 atoms 65 atoms
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The graph indicates the running route for tobias. which best describes his run? from time 0 to 6, he went fast and then slowed down. from time 6 to 10, he was at his slowest. from time 12 to 14, he went very slow. from time 14 to 18, he went toward the starting point.
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Chemistry, 23.06.2019 04:10
What does the field of thermodynamics relate to a-changes in nuclear reactions b- changes in energy in systems c changes in molecular structure d changes in atomic properties
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Astone of mass 0.55 kilograms is released and falls to the ground. measurements show that the stone...
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