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Author Question: A motorcycle stunt rider wants to jump a 179. m wide canyon. He arranges a ramp on one side so he ... (Read 123 times)

future617RT

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on: Jul 27, 2018
A motorcycle stunt rider wants to jump a 179. m wide canyon. He arranges a ramp on one side so he will be launched pointed 30. above the horizontal. What minimum speed will be needed to just reach the other side?
 
  A) 35. m/s
  B) 30. m/s
  C) 40. m/s
  D) 25. m/s
  E) 45. m/s

Question 2

By how much will mercury rise (or fall) in a 1.0 mm diameter glass tube (contact angle 140., Hg density 13.6 g/cc, surface tension 0.45 N/m)?
 
  What will be an ideal response?


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eliasc0401

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Reply #1 on: Jul 27, 2018
Answer to Question 1

E

Answer to Question 2

fall 10. mm


future617RT

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Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

Mochi

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Reply 3 on: Yesterday
Wow, this really help

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