What do scientist use to determine the temperature of a star

Soils refers to natural material from the earth, but not artificial material (like AstroTurf or asphalt). True False

Who was the Governor of Anchorage, Alaska?

If a fast moving car makes a loud noise approaches what will happen as the distance between the two increases

Why are the temperatures on each of the other terrestrial planets more extreme than earth?

The weight of an object on a planet depends not only on its mass, but also on its distance from the planet's center. this table lists weight of 80 kg on each planet in the solar system.

Fill in the blanks to complete each statement about the heating of Earth's surface. Earth takes in thermal energy from the Sun in a process called Sunlight strikes Earth's surface at different angles. This angle is called the angle of Done Intro

A 2.0-kg block is on a perfectly smooth (frictionless) ramp that makes an angle of 30^/circ30 ∘ with the horizontal. What is the force of the ramp on the block?

What is the difference between negative displacement and negative velocity?

How to use Da Vinci flying pedulum clock

A 7.00 kg mass is being pulled by a 53.8 n force what is the acceleration