The runner completes exactly 2 laps around a 400 m track. What is the distance and displacement?

I don't have it anymore since no one cared to answer

The weight of the pendulum of an impact tester is 451b, and the length of the 27 pendulum arm is 32in. If the arm is horizontal before striking the specimen, what is the potential energy of the tester? What is the striking velocity?

What type of change had occurred when a nail rusts

Which formulas might be used to find the velocity based on a position-time graph? Check all that apply. y2 - y1 d/t x2 - x1 y2 - y1/x2 - x1 ? x/t

Which is the most accurate name for the ionic compound CaS?

How did Einstein's and Newton's theories differ in terms of explaining the cause of gravity?

A sled being dragged to the right across loosely packed snow with a rightward acceleration

Imagine two artificial satellites orbiting earth at the same distance. one satellite has a greater mass then the other one which of the following would be true about there motion? 1.

What is energy? (Not the answer from google search.)

Explain why the friction force between two surfaces increases if the force is pushing the surfaces together increases.