A leaf floating down from a tree is an example of an object in free fall. A. True B. False
2 answers:
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Answer:
Explanation:
Given
Four Point charges are Placed at the corner of a square with side length a
Length of diagonal
Distance of charge from center
Potential at the center due to four charges is given by
as all the four charges are equal and placed symmetrical about center
Work done required to bring a fifth charge q from infinity to the center of the square
The answer is <span>A. 3 km north
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Displacement (D) is the shortest distance from the initial to the final position.
In this example distance is 5 km north - 2 km south = 3 km north (look at the image).
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Displacement (D) is the shortest distance from the initial to the final position.
In this example distance is 5 km north - 2 km south = 3 km north (look at the image).