The only item that exists on the planet in all three states of matter at standard pressure is what

A car's position in relation to time is plotted on the graph. What is the car's average velocity? A) 5 m/s B) 10 m/s C) 30 m/s D) 50 m/s

What is the relationship between the wavelength of a wave and its energy?

What kind of energy is the source of the light and heat produced by a burning log? chemical energy kinetic energy gravitational energy electrical energy

A bowl of cherries is on the table and you push on it with a force of 35N, it undergoes a frictional force of 8N. What is the acceleration of the 2kg bowl of cherries? Also, what is the normal force?

Humans must depend on the environment for their survival. True False

A train travels 90 kilometers in 1 hour, and then 82 kilometers in 5 hours. What is it's average speed?

3. A hydraulic lift is used to jack a 950-kg car 45 cm off the floor. The diameter of the output piston is 23 cm, and the input force is 375 N. a. What is the area of the input piston? (10pts) b.

An electric current in a metal consists of moving (A) Protons (B) neutrons (C) electrons

How does the idea of rotating disk in the nebular model explain certain observed celestial phenomena?

If a small child were to release a balloon into the atmosphere, what would happen to the size of the balloon as it makes it way higher in the sky?