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Author Question: A 300-Ah battery can deliver how many coulombs starting from a full charge? a. 4.8 103 c. 7.2 ... (Read 138 times)

tiara099

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on: Jul 28, 2018
A 300-Ah battery can deliver how many coulombs starting from a full charge?
 a. 4.8  103
  c. 7.2  105
  b. 4.3  104
  d. 1.1  106

Question 2

A baseball pitcher, loosening up his arm before a game, tosses a 0.15-kg ball using only the rotation of his forearm, 0.32 m in length, to accelerate the ball. If the ball starts at rest and is released with a speed of 24 m/s in a time of 0.40 s, what is the average angular acceleration of the arm and ball?
 a. 0.067 rad/s2
  c. 15 rad/s2
  b. 94 rad/s2
  d. 190 rad/s2


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Dunkey

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

D

Answer to Question 2

D


tiara099

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Reply 2 on: Jul 28, 2018
Excellent

xiazhe

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Reply 3 on: Yesterday
:D TYSM

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