What does variable mean in science?

If a bowling ball hits the wall with a force of 6N, and the wall exerts a force of ___back on the bowling ball A 0 newtons B 3 newtons C 6 newtons D 12 newtons

Why is Earth a troubled planet? A. because the Dark Thing came to Earth many years ago. B. because Earth has too many people fighting the Dark Thing C. because people on Earth don't know how to think for themselves D. because there is evil on Earth

A VCR that is not playing still uses 10.0 W of power. What is the current if the VCR is plugged into a 120 V electric outlet?

A bag of books took 3 minutes to move you did 12900 j if work how much power was required to move the bad

If something is hot, does it contain heat or thermal energy? neither heat only thermal energy only either one because they are the same thing

You are given miles = 50 miles, time = 1 hour initial given velocity = 0 miles/hour (your standing still) and final velocity = 50 miles/hour. you travel a total of 100 miles. How long did it take you (time) ?

The centripetal force acting on a satellite in orbit A. acts as an unbalanced force on the satellite. B. changes the direction of the satellite. C. is a center-directed force. D. all of the above

Compare your answer to the previous question with your observations in conducting this experiment. Discuss whether energy was conserved in your experiment. Was friction negligible

What is a controlled experiment? none of the variables are changed all variables are kept constant two variables are changed at a time one variable is changed at a time

At what phase would you expect to find extremely high and low tides?