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Author Question: A rock is thrown straight up with an initial velocity of 20.0 m/s. Ignore energy lost to air ... (Read 86 times)

WhattoUnderstand

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on: Jul 28, 2018
A rock is thrown straight up with an initial velocity of 20.0 m/s. Ignore energy lost to air friction. How high will the rock rise?
 a. 41.0 m
  c. 20.4 m
  b. 10.2 m
  d. 11.5 m

Question 2

If an ideal gas does positive work on its surroundings, we may assume, with regard to the gas, that its:
 a. temperature increases.
  c. pressure increases.
  b. volume increases.
  d. internal energy decreases.


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kristenb95

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

C

Answer to Question 2

B


WhattoUnderstand

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

nyrave

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Reply 3 on: Yesterday
Gracias!

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