A model airplane exerts 0.45 newton's over a distance of 250 meters. How much work was the plane doing?

What are at least two reasons why some people claim the Pyramids of Giza were constructed by aliens?

Describe how water may be treated before people use it

True or False: Rocks are not created nor destroyed, but they are recycled.

100 J of work in 10 seconds

Isaac Newton discovered the three laws of motion. Which example BEST illustrates Newton's third law of motion, which describes action and reaction forces?

The kinetic energy of a moving object is equal to the work required to bring it to its speed from rest, or the work the object can do while being brought to rest.

An engineer wants to set up simple password protection with no usernames for some switches in a lab, for the purpose of keeping curious co-workers from logging into the lab switches from their desktop PCs.

How are frequency and wave period related?

Which statement best defines inertia?

When you put a ice cube in a warm drink and the ice cube thermal energy decreases and the drink thermal energy increases, how does the energy move? What is the situation when the ice cube would give off the heat?