Your projectile launching system is partially jammed. It can only launch objects with an initial vertical...
Your projectile launching system is partially jammed. It can only launch objects with an initial vertical velocity of 42.0 m/s, though the horizontal component of the velocity can vary. You need your projectile to land 217 m from its launch point. What horizontal velocity do you need to program into the system?
Homework Answers
vertical motion,
v= u-gt
at max height v=0
0 = 42 - 9.81 * t
t = 4.28 s
total flight = 2t assuming no air resistance
let horizontal velocity be v
v * 2t = 217
v = 25.35 m/s ---answer
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