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Author Question: The fraction of insolation reflected by Earth is called a) Rayleigh scattering. b) the albedo. ... (Read 47 times)

BRWH

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on: Jul 28, 2018
The fraction of insolation reflected by Earth is
  called
  a) Rayleigh scattering.
  b) the albedo.
  c) the greenhouse effect.
  d) an aurora.

Question 2

A 1.2-kg mass is projected from ground level with a velocity of 30 m/s at some unknown angle above the horizontal. A short time after being projected, the mass barely clears a 16-m tall fence. Disregard air resistance and assume the ground is level. What is the kinetic energy of the mass as it clears the fence?
 a. 0.35 kJ
  b. 0.73 kJ
  c. 0.40 kJ
  d. 0.68 kJ
  e. 0.19 kJ


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bob

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

b

Answer to Question 2

a


BRWH

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Reply 2 on: Jul 28, 2018
Excellent

ktidd

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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