Physics, 06.12.2021 22:10 Franky7035
Which statement describes a chemical property of iron?
A. It can be hammered into a new shape.
B. It is attracted to a magnet.
C. It develops a layer of rust in moist air.
D. It conducts electricity.
Answers: 2
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The human body stores chemical energy from digested food. some of the chemical energy is converted into mechanical energy when the body moves. which statement best supported by this information
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1. a net force of 100 newton’s is applied to a wagon for 5 seconds. this causes the wagon to undergo a change in momentum of
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Physics, 22.06.2019 17:50
Two identical stars with mass m orbit around their center of mass. each orbit is circular and has radius r, so that the two stars are always on opposite sides of the circle. (a) find the gravitational force of one star on the other. (b) find the orbital speed of each star and the period of the orbit. (c) how much energy would be required to separate the two stars to infinity?
Answers: 1
Which statement describes a chemical property of iron?
A. It can be hammered into a new shape.
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