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➷ A dry cell changes chemical energy into electrical energy.
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Answer:Downward
Explanation:
As elevator is moving upward but is decelerating to stop at top
Suppose mg is the weight of man
N is the normal reaction
a is the acceleration
here upward direction is positive while downward direction is negative
Therefore net force is in downward direction
Based on the changes in the light curve and the behavior of the series of spectra, this is a<u> binary system. </u>
<h3>How is this is binary system?</h3>
The characteristics described are those of a binary system with the specific type of system being the spectroscopic binary system.
This is because in a spectroscopic binary system, there won't be significant changes in brightness but as a result of stars orbiting towards and then away from us, spectral features will appear as alternative absorption lines.
In conclusion, this is a binary system.
Find out more on binary systems at brainly.com/question/15868824.
Answer:
The correct answer is B. You would not have to travel far to see another total eclipse .
Explanation:
it is said that the way to predict or know beforehand if there is a lunar or solar eclipse is just to know the what is called the saros which are periods of exactly 223 synodic months and the eclipses are repeated or occurred in the same location every 3 Saros cycles.
