Complete the following statement. the universe is filled with millions of grouped in clusters. a. galaxies b. solar systems c. planets d. moons

Ans (A) galaxies

A galaxy is a collection of a vast number of stars and solar systems.

A solar system is a part of a galaxy and is comprised of a sun which is surrounded by various planets, asteroids, comets etc

A planet is again a part of a solar system and essentially orbits the sun.

Moon is a astronomical body which orbits a planet.

For example, planet earth orbiting around the sun is a part of the solar system present in the milky way galaxy.

Ans: The universe is filled with millions of Galaxies grouped in clusters.

question: ray weighs 100 kilograms, his wrestling partner, bobby, weighs 50 kilograms. if ray moves at 4 m s , how fast will bobby have to run at him to apply an equal amount of kinetic energy?

answer: 8 m/s he needs to run twice as fast to keep up so he has some work to do

explanation:   if the mass has units of kilograms and the velocity of meters per second, the kinetic energy has units of kilograms-meters squared per second squared.

question answered by

(jacemorris04)