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Author Question: What do you need to know to be able to determine how far a projectile travels horizontally? (Read 1446 times)

Sandstorm

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on: Jun 23, 2013
a. The length of time before it lands
b. The horizontal velocity of the projectile
c. the height of the projectile path
d. the acceleration of gravity

Check all that apply


aero

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Reply #1 on: Jun 23, 2013
The answer is B.

Recall that:

v_x = v*cos(x) [horizontal velocity]
d_x = v_x(t) + ½at² [horizontal distance]

I hope this helps!


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curlz

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Reply #2 on: Jun 23, 2013
B is partially correct you must also know C and the ballistic coefficient of the projectile


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