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A catapult is placed on flat ground. It launches a guitar into the air at a...

A catapult is placed on flat ground. It launches a guitar into the air at a 30◦ angle above the horizon and an initial speed of 20 m/s. Ignore air resistance. If the guitar is released at a height 2.0 m above the ground at time t = 0, calculate

(a) the horizontal and vertical components of the initial velocity,

(b) the time t when the guitar hits the ground again,

(c) the horizontal range of the guitar,

(d) the final speed at which the guitar hits the ground,

(e) the maximum height above the ground the guitar reaches

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