Is this class of lever a force - or distance magnifier?

Explain your answer.

Whats the best statement about stress management is true?

Is a object heaver underwater than on land

What is used to measure heat? change in temperature constant temperature constant specific heat change in specific heat

Hey Carr has the momentum of 20,000 kg m/s. What would the cars momentum be if its velocity doubles

What is made by steam and air and helium

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