Answered

IDNLearn.com: Your reliable source for finding expert answers. Explore thousands of verified answers from experts and find the solutions you need, no matter the topic.

1. If some unimaginable calamity destroyed the Sun, using the astronomical unit for the Earth-Sun distance and the value for the speed of light above, how long would we still have light after the Sun ceased to exist? (5)


Sagot :

GunnerGasconadeidn

Answer:

8 minutes and 20 seconds

Explanation:

Average Distance between Earth and Sun: 150 million km   = [tex]1.5 * 10^{8}[/tex] km

Velocity of light: [tex]3 * 10^{8} \ m/s = 3 * 10^{5} \ km/s[/tex]

Time = Distance/Speed

or Time = [tex]1.5 * 10^{8} \ km[/tex] / [tex]3 * 10^{5} \ km/s[/tex]

= 5 * 100

= 500 seconds

⇒ Time = 8 minutes and 20 seconds

We value your presence here. Keep sharing knowledge and helping others find the answers they need. This community is the perfect place to learn together. IDNLearn.com provides the best answers to your questions. Thank you for visiting, and come back soon for more helpful information.