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Author Question: David stands 2.5 m in front of a plane mirror. (a) How far from David is his image in the mirror? ... (Read 172 times)

fox

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on: Jul 29, 2018
David stands 2.5 m in front of a plane mirror.
 
  (a) How far from David is his image in the mirror?
  (b) If David moves away from the mirror at 1.5 m/s, how fast are David and his image moving apart from each other?
  (c) If David is 180 cm tall, how tall is his image in the mirror?

Question 2

A car is traveling at 26.0 m/s when the driver suddenly applies the brakes, causing the car to slow down with constant acceleration.
 
  The car comes to a stop in a distance of 120 m. How fast was the car moving when it was 60.0 m past the point where the brakes were applied?
  A) 22.5 m/s
  B) 18.4 m/s
  C) 15.0 m/s
  D) 12.1 m/s
  E) 9.20 m/s
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jgranad15

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Reply #1 on: Jul 29, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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fox

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Reply 2 on: Jul 29, 2018
Excellent

frankwu0507

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Reply 3 on: Yesterday
Wow, this really help

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