The atoms that make up a star can be determined by A. the color

B. the position of the star in its galaxy

C. the stars emission spectrum

D. The star corona

When buying a car, you tell the salesman that you want to make sure the car can go from 0 miles per hour to 60 miles per hour in 5 seconds. You are describing the car's

Mike walked 450 m west. He then turned and walked 150 m to the east in 300 seconds. what was his velocity?

Electricity problem (coulomb's law)

If the sun is just an average medium sized star, Why is it so much important to earth than all the other stars in the universe?

A 24 volt doorbell carries a current of 1/2 ampere. Calculate the resistance in the bell 1. 2. 3.

Tony uses the device shown in the diagram to model how an electromagnet is used in his uncle's scrap metal yard.

A flight attendant pulls a 60.0 N flight bag a distance of 239.0 m along a level airport floor at a constant speed. A 21.0 N force is exerted on the bag at an angle of 66.0 degrees above the horizontal. How much work is done on the flight bag?

A girl throws a rock horizontally, with a velocity of 10 m/s, from a bridge. It falls 20 m to the water below. How far does the rock travel horizontally before striking the water?

This is a machine consisting of two wheels of different sizes that rotate together. It is a modified lever.

A source from which organisms generally take elements is called a/an A. biotic community. B. reservoir. C. exchange pool. D. food web.