13.
The moon is observed from two diametrically opposite points A and B on Earth. The angle 8
subtended at the moon by the two directions of observation is 1° 54'. Given the diameter of
the Earth to be about 1.276 x 107 m, compute the distance of the moon from the Earth.
Give difference between path length and displacement.
Distinguish between Vector quantity and a Scalar quantity.
14.
15.
factor
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the distance between moon and earth is 3×10^8m.find the intensity of gravitational field at the mid pt of line joining them?
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