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Author Question: You lift a 10. lb physics book up in the air a distance of 1 ft, at a constant velocity of 0.5 ft/s. ... (Read 27 times)

ssal

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on: Jul 27, 2018
You lift a 10. lb physics book up in the air a distance of 1 ft, at a constant velocity of 0.5 ft/s. The work done by gravity is
 
  A) +5 ftlb.
  B) -10 ftlb.
  C) -5 ftlb.
  D) zero.
  E) +10 ftlb.

Question 2

Sandstone is a common type of
 
  A) meteoritic rock
  B) sedimentary rock
  C) metamorphic rock
  D) igneous rock


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carlsona147

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Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

B


ssal

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Reply 2 on: Jul 27, 2018
Excellent

blakcmamba

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Reply 3 on: Yesterday
Wow, this really help

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