A body projected vertically from the earth reaches a height equal to earth’s radius before returning to the earth. The power exerted by the gravitational force is greatest |
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a) |
At the instant just after the body is projected |
b) |
At the highest position of the body |
c) |
At the instant just before the body hits the earth |
d) |
It remains constant all through |
A body projected vertically from the earth reaches a height equal to earth’s radius before returning to the earth. The power exerted by the gravitational force is greatest |
|||
a) |
At the instant just after the body is projected |
b) |
At the highest position of the body |
c) |
At the instant just before the body hits the earth |
d) |
It remains constant all through |
(c) Just before hitting |