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Home Q & A Board Science-Related Homework Help Physics Astronomy
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malaka33 malaka33
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6 years ago
A long rope of linear density 0.25 kg/m is under tension. Transverse waves travel on it at 30. m/s. How much energy is stored in 1.0 m of the rope when a driving frequency of 6.0 Hz produces a traveling wave with an amplitude of 0.10 m?
 
  What will be an ideal response?

Question 2

A fan blade, whose diameter is 1.0 m, is turning with an angular velocity of 2.0 rad/s. What is the tangential velocity of a point on the tip of the blade?
 
  A) 2.0 m/s
  B) 5.0 cm/s
  C) 1.0 m/s
  D) 0.50 m/s
  E) 1.5 m/s

Question 3

A 0.67 F parallel plate capacitor has air between the plates with a separation of 0.33 mm.
 
  (a) What is the plate area?
  (b) What charge is on the plates when connected to a 3.0 volt battery?

Question 4

Your motorboat can move at 30 km/h in still water. How much time will it take you to move 12 km upstream, in a river flowing at 6 km/h?
 
  A) 22 min
  B) 26 min
  C) 20 min
  D) 30 min
  E) 24 min
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cg5232cg5232
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#1
6 years ago
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malaka33 Author
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6 years ago
Thanks
Hellish Lover
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Yesterday
Good timing, thanks!
Natalie Price
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2 hours ago
Helped a lot
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