1. A soccer ball is kicked at a 40 degree angle with speed of 22 m/s. Find:
a. initial components of velocity
b. time to apogee
c. total time in air
d. maximum horizontal displacement
e. maximum height achieved
f. If this projectile had been kicked at this angle/speed off a 20-m high cliff, how would the problem change? You don't have to solve it, but think about how it could be dealt with.
2. Look up the range equation - it is a useful expression for solving projectile motion problems when trying to determine the maximum horizontal displacement. When is it useful?
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