In the Bergeron process, condensation occurs on
a. ice crystals.
b. dust.
c. carbon dioxide.
d. oxygen.
a
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A 0.10-kg ball, traveling horizontally at 25 m/s, strikes a wall and rebounds at 19 m/s. What is the magnitude of the change in the momentum of the ball during the rebound?
A) 72 kg ? m/s B) 4.4 kg ? m/s C) 1.8 kg ? m/s D) 5.4 kg ? m/s E) 1.2 kg ? m/s
Thermal energy is measured in
A) calories. B) Calories. C) joules. D) any or all of the above for special cases
Write out the number 9.45 × 10-5 in full with a decimal point and correct number of zeros
A) 0.00000945 B) 0.0000945 C) 0.000945 D) 0.00945 E) 0.0945
An electron is projected horizontally with a speed of 
m exactly in the middle of two parallel plates at potentials of -40 V and 104 V, respectively. The plate separation distance is 3.0 cm. The plates are long enough that the proton, rather than passing completely between the plates, eventually strikes the plate sitting at 104 V potential. What is the speed of the proton when it strikes the plate? The mass of the electron is 
kg.
A. 
B. 
C. 
D. 