Suppose a rollerblade racer finished a 132 meter race in 18 seconds. What is the average speed of the rollerblade racer?

What is the definition of displacement

Agon has a mass of 5 kg, Zack pulls a loaded wagon with a force of 4 N. If the wagon b what is its acceleration?

What is the direction of the net force that acts on an object undergoing uniform circular motion?

123,876.3 in scientific notation

18. Wind speed on Earth is reduced by which? A. temperature B. friction C. weather D. convergence

Which of the following statements is true? A. Both chemical reaction rates and nuclear decay rates vary with the conditions of the reaction. B. Nuclear decay rates vary with the conditions of the reaction, but chemical reaction rates do not. C.

A star may form a black hole once it cannot?

Kai was 200 meters north of the library when he remembered he had to return some books to the library. It took him 200 seconds to do the round trip. Which best describes Kai's roundtrip?

The engine that powers a crane burns fuel at a temperature of 1500 oC. It is cooled by air at a temperature of 20 oC. The crane is used to lift a 1000 kg steel girder 30 m into the air.

The portion of a light ray that falls on a surface is a/an