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  • 17-01-2018
  • Mathematics
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A projectile is fired at a speed of 800800 ​m/sec at an angle of 6060degrees°. how long will it take to get 2121 km​ downrange?

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Аноним Аноним
  • 17-01-2018
The horizontal component of the velocity = 800 cos 60  =  400 m/sec

400  = distance / time  = 21000 / t
t = 21,000 / 400 =  52.5 seconds  Answer
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