Which of these is not an official SI unit of measure?

A. Kelvin

B. degree Celsius

C. Second

D. Liter

What is the first step a scientist usually take to solve a problem?

Ice tells scientists when global warming has occurred is like a book

A string is vibrating between two posts as shown above. Students are to determine the speed of the wave within this string. They have already measured the amount of time necessary for the wave to oscillate up and down.

Why is temperature constant during a phase change?

The push of air on earth is called

What is general relativity in easy terms?

Temperature and volume are directly or inversely

My Notes A basketball rolls across a classroom floor without slipping, with its center of mass moving at a certain speed. A block of ice of the same mass is set sliding across the floor with the same speed along a parallel line.

How does sound travel through waves?

Solve for real t: - 25=20t-5t^2