Which of the following statements is true about light? A. Light needs a medium through which to travel B. Light can not be diffracted around objects C. Light can travel through the vacuum of space D. Light moves slower than sound

Scientific notation for 3134000000

A light-year is the distance light travels in one year, at a speed = 2.998 x 10^8 m/s. (a) How many meters are there in 1.00 light years? (b) An AU is the average distance from the Sun to the Earth, 1.50 x 10^8. How many AU are there in 1.

Biotic parts of an ecosystem interact with

How many electrons are in a hydrogen atom?

What is 12 (kg*m) / s in m/s

No force is necessary to

A boat has a mass of 4040 kg. Its engines generate a drive force of 4660 N due west, while the wind exerts a force of 880 N due east and the water exerts a resistive force of 1400 N due east. Take west to be the positive direction.

Define the word projectile

Which is not a property of an electromagnetic wave? O It is made of magnetic fields It travels at the speed of light O It is made of electrical fields It carries energy only through matter

Explain why your weight would be less in the moon than on earth even though your mass would not change. Use the law of universal gravitation in your explanation.