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khally92

  • 3 years ago

In a rescue scene during the 911 crisis, a helicopter of mass 6000kg accelerates upward at the rate of 0.50ms^-1 while lifting a 2500kg piece of concrete what is the tension in the cable attaching the concrete to the helocopter...

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  1. khally92
    • 3 years ago
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    |dw:1358099049122:dw|

  2. khally92
    • 3 years ago
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    i pictured the diagram to be like this..

  3. Saikam
    • 3 years ago
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    |dw:1358184890538:dw| the diagram would be like this. can u do it from here?

  4. khally92
    • 3 years ago
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    Is the upward force mass x acceleration i.e 6000 X 0.5

  5. MrDoe
    • 3 years ago
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    saikam has the correct approach, remember F=ma

  6. khally92
    • 3 years ago
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    is the tension 25750 thanks. T-Mg= Ma T-(2500*9.8)= 2500(0.5) I guess the acceleration is equal for both masses.

  7. MrDoe
    • 3 years ago
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    ignore the helicopter for the moment and look at the free body diagram, what forces are creating tension in the rope and what direction are they acting in?

  8. khally92
    • 3 years ago
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    u min Mg-T=ma acting downward 23250N.

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