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meltbosmartgillish
meltbosmartgillish meltbosmartgillish
  • 12-08-2016
  • Mathematics
Answered

It is possible to shoot an arrow at a speed as high as 100 m/s. (a) If friction can be ignored, how high would an arrow launched at this speed rise if shot straight up? (b) How long would the arrow be in the air?

Verified Answer :

taskmasters
taskmasters taskmasters
  • 15-08-2016
A0 = 100m/s + 2(-9.8)(x_f-0)


x_f = 510

 
b)
0 = 0 + 100m/s(t) + (1/2)(-9.8)t^(2)



Use the quadratic formula
 
-200/-9.8 = 20 seconds

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