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Author Question: How large should a wall-mounted mirror be to view the upper half of one's height, h? a. h c. h/4 ... (Read 78 times)

Jramos095

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  • Posts: 528
on: Jul 28, 2018
How large should a wall-mounted mirror be to view the upper half of one's height, h?
 a. h
  c. h/4
  b. h/2
  d. The answer is not given.

Question 2

If a 2100-kg car was moving at 30 m/s, what would be its kinetic energy expressed in the unusual (for kinetic energy) units of calories? (1 cal = 4.186 J)
 a. 3.0  104
  c. 3.8  106
  b. 2.3  105
  d. 1.1  105


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Dunkey

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

C

Answer to Question 2

B


Jramos095

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  • Posts: 528
Reply 2 on: Jul 28, 2018
:D TYSM

mohan

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

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