Chemistry, 10.11.2020 18:50 impura12713
Jennifer is applying a constant force to swing a can on the end of a string, as shown here. If the can is moving around the circle at a constant speed, which statement correctly describes the motion of the can?
A. The can moves at a constant velocity.
B. The can has constantly changing speed.
C. The can has acceleration and changing speed.
D. The can accelerates at every point along the orbit and has changing velocity.
Answers: 1
Chemistry, 21.06.2019 22:30
Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? a. magnesium has a 2- oxidation number and chlorine has a 1+ oxidation number. b. magnesium has a 2- oxidation number and chlorine has a 2+ oxidation number. c. magnesium has a 2+ oxidation number and chlorine has a 1- oxidation number. d. magnesium has a 1+ oxidation number and chlorine has a 1- oxidation number.
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Which is an example of the practical pursuit of alchemy? a. forming perfect substances. b. transforming base metals. c. developing metalworking techniques. d. linking spiritual characteristics with material substances.
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Chemistry, 22.06.2019 18:00
Which statement best describes the he properties of iconic compounds ?
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The chemical formula for emerald is be3al2(sio3)6.an emerald can be decided as
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Jennifer is applying a constant force to swing a can on the end of a string, as shown here. If the c...
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