A T-ball player hits a baseball from a tee that is 1 m tall….
A T-ball player hits a baseball from a tee that is 1 m tall. The flight of the ball can be modelled by h(t) = -5t2 + 10t – 1, where h(t) is the height in metres and t is the time in seconds. When does the ball reach its maximum height?
Read DetailsTwo support wires are fastened to the top of a TV satellite…
Two support wires are fastened to the top of a TV satellite dish tower from two points on the ground, A and B, on either side of the tower. One wire is 18 m long, and the other is 12 m long. The angle of elevation of the longer wire is 28o. How tall is the satellite dish tower?
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