Imagine an enormous forest of trees, all of which were born at the same time. As you stand in the middle of the forest, you see a few nearby trees, some more distant trees, and in the gaps between the trunk, some very distant trees.

Light travels at a speed of 3x10 to the 8th power m/s. How long does it take light to reach you from a tree 3 meters away?

I would really appreciate an explanation as well to learn!

Question

Imagine an enormous forest of trees, all of which were born at the same time. As you stand in the middle of the forest, you see a few nearby trees, some more distant trees, and in the gaps between the trunk, some very distant trees.

Light travels at a speed of 3x10 to the 8th power m/s. How long does it take light to reach you from a tree 3 meters away? 

I would really appreciate an explanation as well to learn!

andrewv · Answer

@shalante

anonymous · Answer

This is physics. Use the formula of velocity, which is $$v=\frac{ s }{ t }$$
You need time, so make t the subject of the formula$$t=\frac{ s }{ v }=\frac{ 3 }{ 3*10^8 }=10^-8seconds$$