Count the dots to make sure that all of the valence electrons are represented 2
1 answer:
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Answer:
See below.
Explanation:
Cubit is a unit of length based on the length of the forearm from the elbow to the tip of the middle finger and usually equal to about 18 inches (46 centimeters).
It is an ancient unit of length used in ancient Egypt and is also known as "ancient Egyptian royal cubit."
Other similar units of measurements are displayed in the image below. Thanks!
Answer:
the work done by friction on the car is 524,582 J.
Explanation:
Given;
mass of the roller coaster, m = 800 kg
distance moved by the coaster, d = 225 ft = 68.58 m
final velocity of the coaster, v = 80 mi/h = 35.76 m/s
The time taken for the coaster to drop down the hill is calculated as;
The work done by friction on the car is calculated as;
Therefore, the work done by friction on the car is 524,582 J.
Answer:
1.when it is closest to the sun
2.when it is midway between its farthest
Explanation:
According to the law of Kepler's
T ² ∝ r³
T=Time period
r=semi major axis
We also know that time period T given as
v=Speed
So we can say that ,when r is more then the speed will be minimum and when r is low then speed will be maximum.