Earlier than a certain time, the laws of modern physics cannot describe the universe adequately. Roughly when is that time?

A: 10^43 seconds
B: 10^33 seconds
C: 1 minute
D: 3 minutes
E: 1 million years


Ans: A: 10^43 seconds

Physics & Space Science

You might also like to view...

The canals of Mars were eventually found to be crustal faults

Indicate whether the statement is true or false

Physics & Space Science

The horizontal axis (X-axis) of the Hertzsprung-Russell diagram is labeled with _______________

Fill in the blank(s) with correct word

Physics & Space Science

Satellite Motion: In another solar system, a planet has a moon that is 4.0 × 105 m in diameter. Measurements reveal that this moon takes 3.0 × 105 s to make each orbit of diameter 1.8 × 108 m. What is the mass of the planet? (G = 6.67 × 10-11 N ? m2/kg2)

A. 1.2 × 1024 kg B. 1.7 × 1024 kg C. 2.4 × 1024 kg D. 3.4 × 1024 kg E. 4.8 × 1024 kg

Physics & Space Science

Newton's Second Law of Motion tells us that the net force applied to an object equals its

A) mass times acceleration. B) mass times energy. C) momentum times velocity. D) mass times velocity.

Physics & Space Science