Write the energy transformations that occur in the following cases. {1} Electric motor. {2} Release of an arrow from a bow.

What are variables and why are they important?

Question 24 Describe how each of Newton's three laws of motion would apply to bumper cars (an amusement park ride).

Name 1 element in the periodic table that sounds like a name

Refraction can occur only when light is___ A. emitted B. Reflected C. Absorbed D. Transmitted

A skier descends a mountain at an angle of 35.0º to the horizontal. If the mountain is 235 m long, what are the horizontal and vertical components of the skier's displacement?

When a high-mass star explodes, which of the following is left over in the center? A. Black hole B. Neutron star C. White Dwarf D. either a or b

Which object is an insulator?

Whats the difference between population density and population size?

A standing wave is established in an organ pipe that is closed at one end. What is located at the open and closed ends of the pipe?

When all parts of a circuit are composed of conducting materials, the circuit is said to be A. parallel. B. closed. C. open. D. shorted.