Author Question: What do you need to know to be able to determine how far a projectile travels horizontally? (Read 1759 times)

Sandstorm

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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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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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B is partially correct you must also know C and the ballistic coefficient of the projectile



 

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