When a roller coaster climbs up a hill, its potential energy? Increases or Decreases or its zero

Why is gravity important in the solar system

What is the exact meaning of croos section and cross sectional area of a conductor?

Explain why we see the Milky Way as a faint band of light stretching across the sky.

List two ways of recording or measuring absolute time

How to get the average velocity of the graph?

Kenna has a mass of 30 kilograms. What's her weight in newtons? Assume that acceleration due to gravity is 9.8 N/kg.

Explain what type of force drag and tailwinds are. If the airplanes were traveling eastward with a force 450 N and there was a tailwind of 200 N, what would the resulting force be on the airplane?

What did early South American civilization do to promote farming

A 30-g bullet is fired with a horizontal velocity of 450 m/s and becomes embedded in block B, which has a mass of 3 kg. After the impact, block B slides on 30-kg carrier C until it impacts the end of the carrier.

11) Shifting with ease from one type of problem-solving strategy to another is called a) flexibility b) versatility c) originality d) openmindedness