A hunter uses a laser range finder to find out the distance to his target. If it takes #5.4*10^-7# seconds for the light beam to return to the rangefinder after the hunter turns it on, how far away is the deer?

Answer 1

#81m#

The velocity of light in air is about #3xx10^8 "m/s"#
Hence by this time the distance travelled by light is: #162m#
So the distance is: #162/2 m = 81m#
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Answer 2

The distance to the deer is approximately 162 meters.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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