Question

Planet Mars is about 2.28 × 1011 m away from the Sun. If light travels at 3 × 108

m/sec, then

how long does the sunlight take to reach Mars?

(1) 7.6 × 102

hours
(2) 7.6 × 101

seconds

(3) 0.76 × 104

seconds
(4) 7.6 × 102

seconds
please explain full​

Answer 1

Answer:

Step-by-step explanation:

Light travels at a speed of 299,792 kilometers per second; 186,287 miles per second. It takes 499.0 seconds for light to travel from the Sun to the Earth, a distance called 1 Astronomical Unit. below I list the light travel times from the Sun to each planet:

Planet           Distance in AU            Travel time

Mercury              0.387        193.0 seconds   or    3.2 minutes

Venus                0.723        360.0 seconds   or    6.0 minutes

Earth                1.000        499.0 seconds   or    8.3 minutes

Mars                 1.523        759.9 seconds   or   12.6 minutes

Jupiter              5.203       2595.0 seconds   or   43.2 minutes

Saturn               9.538       4759.0 seconds   or   79.3 minutes

Uranus              19.819       9575.0 seconds   or  159.6 minutes

Neptune             30.058      14998.0 seconds   or    4.1 hours

Pluto               39.44       19680.0 seconds   or    5.5 hours

2 is your answer