Density is ___ per unit volume

Length

Area

Space

Mass

How can you tell whether something has kinetic energy?

Does a fish appear closer or farther from a person wearing swim goggles with an air pocket in front of their eyes than the fish really is? Does the fish see the person's face closer or farther than it really is? Explain your answer.

Riddle: what do you have when you snap your fingers Twice every second

1.) Calculate the work done in lifting a 200 N couch a distance of 1.3 m from a loading ramp. 2.) How much work is done when a 40 N force is applied to push a shopping cart a distance of 6 m? 3.

A train moving near the speed of light enters a tunnel. According to a person standing in the middle of the tunnel, the back end of the train enters the tunnel just as the front end is emerging.

What is the most advanced life form on earth

Which EM wave is about the size of humans?

Describe how the Catapult works?

Newton's third law of motion states that the force pair acting on different objects consist of two forces that

While working on her science fair project Venus connected a battery to a circuit that contained a light bulb. Venus decided to change the light bulb to a higher resistance, but she wanted to keep the current the same.