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Author Question: What is the maximum possible arc that can be subtended by a rainbow? (Consider all possible viewing ... (Read 12 times)

a0266361136

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on: Jul 28, 2018
What is the maximum possible arc that can be subtended by a rainbow? (Consider all possible viewing geometries).
 a. 180
  c. 90
  b. 360
  d. 270

Question 2

A helium-filled weather balloon has a 0.90-m radius at liftoff where air pressure is 1.0 atm and the temperature is 298 K. When airborne, the temperature is 210 K, and its radius expands to 3.5 m. What is the pressure at the airborne location?
 a. 0.50 atm
  c. 0.019 atm
  b. 0.012 atm
  d. 0.38 atm


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jazzlynnnnn

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Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

B


a0266361136

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Reply 2 on: Jul 28, 2018
Wow, this really help

brbarasa

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Reply 3 on: Yesterday
Excellent

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