The initial speed of the projectile is 20 m/s and the angle of elevation is 30 degrees. (a) What is the range of the projectile?
(b) What is the maximum height? © What is the final speed?
Solution to (b) ? What is true at the top of the parabolic path?
Say to yourself, ́Vertical velocity is zero!î
Velocity is not zero! Acceleration is not zero!
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