Answer:
circumference= 65/3 cm = 21.67 cm
radius R = 3.45 cm
Explanation:
To calculate the length of the circumference of the cylinder, we divide 650 cm by 30 (the number of times it wrapped exactly around it)
length of circumference= 65/3 cm = 21.67 cm
now use the formula of the circumference length to find the radius (R):
circumference length = 2 * pi * R
65/3 = 2 * pi * R
R = 65 / (6 pi)
R = 3.45 cm
Answer:
dependent variables
Explanation:
dependent varibeles are the thing you're measuring and independent variables are the thing you change in the exeriment to get a different dependent variable.
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Gravity is the name of the force that keeps the planets in orbit
Answer:
Must be put in to break the bonds in the reactants and the energy that is released upon making the bonds in the products.
Explanation:
The heat energy is absorbed to break the chemical bonds, which are responsible for the attractive interactions between atoms and molecules, and which gives stability to chemical compounds. While the heat energy is released upon making the bonds in the chemical compounds.
Answer: Number of nitrogen atoms = 2 Number of oxygen atoms = 6 Therefore, we can conclude that out of the given options, number of nitrogen atoms present in the formula are 2.
Explanation:
