The surface water temperature on a large, deep lake is 3C. A sensitive temperature probe is lowered ...

The surface water temperature on a large, deep lake is 3C. A sensitive temperature probe is lowered several m into the lake. What temperature will the probe record?
 
  A) a temperature warmer than 3C
  B) a temperature less than 3C
  C) a temperature equal to 3C

Question 2

A car starts from rest and accelerates uniformly at 3 m/s2. A second car starts from rest 6 s later at the same point and accelerates uniformly at 5 m/s2. How long does it take the second car to overtake the first car?
 
  A) 24.0 s
  B) 12.2 s
  C) 35.0 s
  D) 18.9 s
  E) 22.7 s

Question 3

A girl throws a rock horizontally with a speed of 12.0 m/s from a bridge. It falls 2.28 s before reaching the water below.
 
  (a) How high is the bridge from the water below?
  (b) How far horizontally does the rock travel before striking the water?

Question 4

A 1 mF, a 2 mF, and a 3 mF capacitor are connected in parallel, the combination being connected across a 9 volt battery.
 
  (a) Which capacitor has the greatest charge?
  (b) Which capacitor has the greatest voltage?

Question 5

A gas is expanded to twice its original volume with no change in its temperature. This process is
 
  A) isothermal.
  B) isometric.
  C) isobaric.
  D) adiabatic.
  E) isentropic.

Question 6

When a solid melts
 
  A) the temperature of the substance increases.
  B) the temperature of the substance decreases.
  C) heat energy leaves the substance.
  D) heat energy enters the substance.