Five metal samples, with equal masses, are heated to 200oC. Each solid is dropped into a beaker containing 200 ml 15oC water. Which metal will cool the fastest?

A) aluminum

B) copper

C) gold

D) platinum

Which of the following examples does not demonstrate a change in velocity

What is speed? A. Distance (miles or meters) B. Time (hours or seconds) C. Time per distance (hours per mile or seconds per meter) D. Distance per time (miles per hour or meters per second)

Which is most likely a molecule in a wall-filling material? C6H6 Na6Ba6 NeNa HC

Chance drives her scooter 7 kilometers north. She stops for lunch and the drives 5 kilometers east. What distance did she cover? What was her displacement?

What happens to an isotope that undergoes alpha decay

A set of data is collected from a simple circuit with a 20 resistor and is represented in the table

A skydiver of mass m jumps from a hot air balloon and falls a distance d before reaching a terminal velocity of magnitude v. Assume that the magnitude of the acceleration due to gravity is g. a.

8. What happens to force when mass is increased?

Give an example of ionic and covalent bond, and explain and make an example for each.

Which of these is the best reason for proper nutrition? A. To ensure that you will be skinny B. To protect yourself against certain diseases C. To improve your intelligence D. To ensure that you will get good grades