# 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?

##### 1 Answer

Apr 26, 2016

#### Explanation:

The velocity of light in air is about

Hence by this time the distance travelled by light is:

So the distance is: