What two things are a included when describing force? Question 3 options: Size and direction Strength and size Direction and mass Magnitude and direction

What is the correct formula for work?

A train travels in a straight line at 18.0 m/s for 2 km, then at 30.0 m/s for another 2 km. Is the average speed greater than, less than, or equal to 25m/s

The elements are mostly likely to form more than one type of ion are the

Electromagnetic and mechanical waves both transfer energy. How is an electromagnetic wave different from a mechanical wave? Question 4 options: a. An electromagnetic wave has frequency, and a mechanical wave does not. b.

What statement best defines energy

Each shell is limited to a maximum of four electrons. True or False?

What is a hypothesis answer sentence for a lemon battery experiment

An object that is initially at rest on a frictionless floor is struck by a flying rock with an impulse jfonox. what is the final momentum of the object?

In a classroom, why can we hear the sound waves produced by the teacher talking?

What is the general defination of parallax?