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pablobegins

  • 4 years ago

When an airplane leaves the runway, its angle of climb is 11 ◦ and its speed is 278 feet per second. How long will it take the plane to climb to an altitude of 14816 feet? Answer in units of sec

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  1. Kainui
    • 4 years ago
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    |dw:1320612547227:dw| I think this will help you figure it out on your own. Consider using the sine function to set up a problem and solve for 14,816 ft. Good luck.

  2. cwrw238
    • 4 years ago
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    vertical component of velocity = 278sin11 ft/sec to find time to climb to 14816 : 278 sin11 = 14816 / t t = 14816 / 278 sin 11

  3. pablobegins
    • 4 years ago
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    so what's the answer in seconds?

  4. cwrw238
    • 4 years ago
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    work out the last line t = 14816 / 278 * sin 11

  5. cwrw238
    • 4 years ago
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    280.5 seconds

  6. pablobegins
    • 4 years ago
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    thanks :D

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