Question

The speed of light is 3x10*8 m/s. How long does it take light to reach the earth from the sun, which is 1.5x10^11 m away?

Answer 1

time = distance/speed

Answer 2

http://www.enotes.com/homework-help/speed-light-3-0x10-8-m-s-how-long-does-take-light-317491

Answer 3

always remember :-
\[\huge time=\frac{distance}{speed}\]

and time=?
distance=1.5x10^11 m
and speed=3x10*8 m/s.

now plug these values in eq.
we get,

\[\huge time=\frac{1.5 \times10^{11}}{3 \times10^8 }\]

now solve it

Answer 4

can you solve it? @danielle02

Answer 5

500 s?

Answer 6

@mayankdevnani is it 500 s ?

Answer 7

yes, you are right

Answer 8

@danielle02 good job