Math, asked by Anonymous, 1 year ago

5th and 7th and 6th Questions please

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Answered by arnab2261
1
5. Take m as mass of the earth and m' and mass of the other planet.
Thus, m' = 8m.
Take r as radius of the earth and r' as the radius of the planet.
Thus, r' = 2r.
Now, try to calculate urself, it will help you to understand better ^_^

6. No. As while reading the book, no displacement takes place.
No. As here a perpendicular is formed.
So, FS COS thita = FS COS 90 = FS * 0 = 0 [Cos 90 = 0]
It is no work force.

7. Example - when loud music is already disturbing our ears, how much damage it is causing as it gets reflected.

If helps, please mark it as brainliest ^_^

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