How long does a lunar eclipse last? A) seconds B) Minutes C) Days D) Weeks

What type of power plant burns material to make electricity?

What sense can people use to detect infrared radiation? we can see it as red light, we can feel it as heat, we can hear it as a loud noise, or we can smell it as fresh air

Is everything made of something? What about energy, forces information?

Kevin dislikes his teacher; therefore, Kevin thinks his teacher dislikes him. Which of the following defense mechanisms best represents this scenario? A. identification B. repression C. displacement D. projection

A camel travels 500 meters in five minuets what is its speed

Example of an object in motion

A proton and an alpha particle are momentarily at rest at a distance r from each other. They then begin to move apart. Find the speed of the proton by the time the distance between the proton and the alpha particle doubles.

Why is it a good idea to extend your bare hand forward when you are getting ready to catch a fast-moving baseball? a. So you can catch the ball with a stiff arm, increasing the time to slow the ball thus deceasing the force. b.

At room temperature what is the strength of the electric field in a 12-gauge copper wire (diameter 2.05 mm that is needed to cause a 2.75 a current to flow?

A conductor has a net charge of + 24 uC. How many electrons are needed to make this conductor neutral