Chemistry, 08.04.2020 01:05 icecreamisgood4u
Suppose an acorn with a mass of 3.17 g falls off a tree. At a particular moment during the fall, the acorn has a kinetic energy of 0.299 J and a potential energy of 0.167 J with respect to the ground.
How does the acorn's potential and kinetic energy change as it falls?
a. Both potential and kinetic energy decrease.
b. Polential encrgy increases and kinetic energy decreases.
c. Potential energy decreases and kinetic energy increases.
d. Both potential and kinetic energy increase.
Answers: 2
Chemistry, 22.06.2019 04:30
This question is about electrolysis. metal spoons can be coated with silver. this is called electroplating. suggest one reason why spoons are electroplated?
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Chemistry, 22.06.2019 10:30
Acompound has a molar mass of 92.02 grams/mole, and its percent composition is 30.4% nitrogen (n) and 69.6% oxygen (o). what is its molecular formula? a. n2o4 b. no2 c. n2o d. n4o2
Answers: 1
Suppose an acorn with a mass of 3.17 g falls off a tree. At a particular moment during the fall, the...
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