An engine absorbs 2150 J as heat from a hot reservoir and gives off 750 J as heat to a cold reservoir during each cycle. What is the efficiency of the engine?

Explain how objects on Earth accelerate compared to objects in the vacuum of space. Be sure to use Newton's laws of motion to support your explanations.

What determines whether an atom will form bonds?

How does someone express love to another person that likes the person but is not sure if the other if they like you back?

What tends to exist in periodic table?

Define force in your own words.

How can citizens affect environmental policy at the local, state, and national levels

Lightning heats the surrounding air to

Is a broom an example of a wedge?

Use your knowledge of the state of matter and the other physical properties of matter to write an explanation for what may have caused the following situation: Although it hasn't rained in a week, every morning the grass and the car windows are wet.

What is three example of technology