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

What is the average speed of a car that traveled 300.0 miles in 5.5 hours

Vaccines are used to prevent disease. they are given to patients as dead or weakened forms of a virus. which disease would most likely have a vaccine? diabetes flu cancer malaria

Definition of heat in own words

No café de manhã de Débora são servidas duas jarras contendo massas iguais de leite, sendo una de leite gelado e a outra de leite quente Débora afirma que a jarra com leite gelado tem menos calor que a jarra com leite quente.

If a 100Ib women walks up a flight of stairs to get to the top of a 100 meter building. How much work did she perform?

How are water bottles recycled?

The electromagnetic waves that have the lowest frequency is called

A bullet is fired horizontally with an initial velocity of 144.7 m/s from a tower 11 m high. if air resistance is negligible, what is the horizontal distance the bullet travels before hitting the ground?

A 0.2 kg conductor of length 0.8 m carries 2 ampere current to the right in a magnetic field. What is the magnitude and the direction of the magnetic field acting on the conductor if the net force on the rod is zero?

A model rocket with a mass of 0.181 kg is launched into the air with an initial speed of 92 m/s. How much kinetic energy will the rocket have at a height of 164 m? Assume there is no wind resistance.