It takes 3 minutes to make toast in a 1500 watt toaster. Calculate how much work is done by the toaster.

A)

8.3 J

B)

60 J

C)

90,000 J

D)

270,000 J

After a quick review of the textbook, rank the following elements in order of increasing density: (A) copper, (B) nickel, (C) titanium, (D) silicon.

Must new substance be formed when you observe property

An airplane propeller is 2.18 m in length (from tip to tip) with mass 97.0 kg and is rotating at 2600 rpm (rev/min) about an axis through its center. You can model the propeller as a slender rod. What is its rotational kinetic energy?

Your friend comes back to school after a week of being sick. She tells you that she wasn't quite able to talk during that time. Which organ was responsible for her inability to emit (release) sounds to talk?

What is an example of convection currents? a. marshmallows toasting over a campfire b. a pot being heated by an electric burner, feet getting hot when stepping across sand, a radiator emitting warm air and drawing in cool airs Only one choice on

All objects are attracted to each other by the force of

Samantha wants to study circus performance when she gets to college. She has mastered many physical skills already, but she keeps falling short on her jumps.

Is this Conduction, Convection, or Radiation: The top floor of a building is the warmest.

The law that states the volume of gas is directly proportional to its temperature in kelvins if the pressure and the number of particles is constant is * a. Boyle's Law b. Gay-Lussac's Law c. Einstein's law. d. Charles's law.

Which of the following corn pests causes galls to develop on the plant? blight mildew rust smut