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The maximum and minimum distances of a c...

The maximum and minimum distances of a comet from the Sun are `1.6 xx 10^(12) `m and `8.0 xx 10^(10) m `respectively. If the speed of the comet at the nearest point is `6 xx 10 ^(4) ms ^(-1),` the speed at the farthest point is:

A

`4.5 xx 10 ^(3) m //s`

B

`3.0 xx 10 ^(3) m //s`

C

`6.0 xx 10 ^(3) m //s`

D

`1.5 xx 10 ^(3) m //s`

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