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Question1

Consider a tube filled with air (at 17 °C) and closed at both ends. Let length of the tube is 70 cm. 

(a) what is fundamental (lowest) resonance frequency in this tube? 

(b) Illustrate the node-antinode pattern of the next 2 higher resonant frequencies. What is the value of those frequencies? 

(c) If one end is now opened (the other end is still closed), what will be fundamental resonance frequency

Question2

A player pushes a 250-g hockey puck over frictionless ice with a constant force, causing it to accelerate at 24 m/s2 over a distance of 50.0 cm.

a. discover the work done by the hockey player on the puck.

b. What is the change in kinetic energy of the puck?

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  • Category:- Physics
  • Reference No.:- M9719346

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