[Answered] How large should a wall-mounted mirror be to view the upper half of one's height, h? a. h c. h/4 ...

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Jramos095

Hero Member
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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Marked as best answer by a Subject Expert

Dunkey

Sr. Member
Posts: 333

Reply #1 on: Jul 28, 2018

Answer to Question 1

C

Answer to Question 2

B

Jramos095

Member
Posts: 528

Reply 2 on: Jul 28, 2018

Gracias!

Dominic

Member
Posts: 328

Reply 3 on: Yesterday

Excellent

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