The sun will become a red giant in a few million years after it is done fusing helium into carbon true or false

What is it meant by free fall

What of these would most likely cause a sound wave

Explain what happens when 1 molecule of high energy runs into another molecule of low energy. Include energy, movement, and temperature

4. The time it takes an object to rotate once is

A spring has a spring constant of 30000 N/m. How far must it be stretched (in meters) for its potential energy to be 47 J?

How does an iron nail become a rusty nail

What is the velocity of a bullet train that moves 400 meters west over 3 minutes anad 20 seconds?

While in empty space, an astronaut throws a ball at a velocity of 12 m/s. what will the velocity of the ball be after it has traveled 6 meters?

Which of the following statements are true? (Select all that apply.) Ammeters have a relatively high resistance and are placed in parallel with a resistor. Ammeters have a very low resistance and are placed in series with a resistor.

If a boulder has a weight of 675,000 N what is it's mass