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Author Question: The mineral calcite comes from what type of non- silicate mineral group? a) oxide minerals b) ... (Read 127 times)

rayancarla1

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on: Jul 28, 2018
The mineral calcite comes from what type of non-
  silicate mineral group?
  a) oxide minerals
  b) sulfide minerals
  c) carbonate minerals
  d) feldspar minerals

Question 2

A 2.0-kg mass is projected vertically upward from ground level with an initial speed of 30 m/s. The mass rises to a maximum height of 35 m above ground level. What is the change in mechanical energy of the mass caused by air resistance between the point of projection and the point of maximum height?
 a. 0.21 kJ
  b. 0.47 kJ
  c. 0.40 kJ
  d. 0.34 kJ
  e. 0.69 kJ


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deja

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

c

Answer to Question 2

a


rayancarla1

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Reply 2 on: Jul 28, 2018
Gracias!

amit

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Reply 3 on: Yesterday
Excellent

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