Which evidence best supports the theory that the universe began with a massive explosion?

A - cosmic background radiation in space

B - parallelism of planetary space

C - radioactive dating of Earth's bedrock

D - life cycle of stars

What are three basic parts that make up all atoms?

A positive charge Q1 = 34 nC is located at the origin. A negative charge Q2 = - 5.5 nC is located on the positive x-axis p = 15 cm from the origin. Calculate the location of x axis in cm where electric field is.

After striking both mirrors, at what angle relative to the incoming ray does the outgoing ray emerge?

Eight grams of water changes from liquid to vapor at a pressure of one atmosphere. In the process, the volume changes from 0.8 cm³ to 674 cm³. The latent heat of vaporization of water is 2.26 * 10⁶ J/kg. Find the work done. Answer in units of J.

How long does it take from the full moon phase to the new moon phase

To remove 700 j of heat from a refrigerator, the compressor in the refrigerator does 500 j of work. How much heat is released into the surrounding room

The elements least likely to form bonds are found in group__ a) 15 b) 16 c) 17 d) 18

F a metal ball suspended by a rod is at rest, which force is responsible for balancing the force due to gravity?

If the mass of a material is 48 grams and the volume of the material is 8 cm^3, what would the density of the material be?

Your family is moving to a new house. While lifting the box 1.5 m straight up you exerted a force of 200 N for 1 second. How much work is required?