Define reflection and give to examples define refraction and give two examples

A balloon contains helium gas. Which applies to the volume of the gas in the balloon when pressure is increased at constant temperature? A. the volume of the gas increases B. the volume of the gas decreases C.

How long does it take to drive from one end of california to the other?

If a 60.1 kg person jumps onto a seesaw at an angle of 22 degrees at a distance of 6.9 m from the fulcrum.

Which of the following statement is false A The greater the mass the less the potential energy B potential energy is stored energy C The higher the speed the larger the kinetic energy

Describe how the gas particles inside the balloon exert pressure on the balloon

The model that describes a Sun-centered solar system is called theA. laws of motion. B. geocentric model. C. heliocentric model. D. general theory of relativity.

A truck on a straight road starts from rest, accelerating at 2.00 m/s2 until it reaches a speed of 20.0 m/s. Then the truck travels for 20.0 s at constant speed until the brakes are applied, stopping the truck in a uniform manner in an additional 5.

which of the following best describes the amount of natural resources found here in the united states. coal is the only natural resources found in abundance in the US. Natural resources here are lacking and must all be imported to the us.

A ""zero-net energy"" building: A. is built using only natural raw materials B. can last longer than a traditional building C. produces as much as or more energy than it uses D. produces less than half the solid waste of a traditional building E.

What's the net force acting on an 18-kg object if an acceleration of 3.0 m/s2 is produced?