How can we get a clue as to the temperature of a star

An ideal gas is enclosed in a container. the volume of the container is reduced to half the original volume at constant temperature. according to kinetic theory, what is the best explanation for the increase in pressure created by the gas?

Which force plays the biggest role in keeping the planets in orbit?

What is the effect of pressure on the volume of a gas?

A ball is thrown straight up from a bridge at a speed of 11.0 m/s. If it takes 5.5 seconds to hit the water below, what is the velocity just before it hits the water?

Imagine that you are approaching a black hole in a spacecraft. What would you see? What would happen to you?

Sebuah benda berjarak 8 cm di depan cermin cekung yang memiliki fokus 12 cm. perbesaran bayangan yang dihasilkan adalah? tentukan juga M nya?

How much pressure is there in the atmosphere and the lithosphere?

a plane lands on the runway and slows from 758km/hr to 30km/hr in 0.013 hours what is the planes acceleration?

3. solve the following with regard to significant figures a) 5.8 + 0.125 II) 3.9x105-2.5x104

During a double-slit experiment, you have the option of using either a green laser or a blue laser for your light source.