i need help with the following trig questions that i need help with how to solve: 1) at what speed is a bicyclist traveling when his 27 inch diameter tires are rotating at an angular speed of 5pie radians per second? 2) a train travels at 3.5 km on a straight track with a grade of 1*10'. what is the vertical rise of the train in that distance? 3) a guy wire runs from the ground to the top of a 25 foot telephone pole. the angle formed between the wire and the ground is 52*. how far from the base of the pole is the wire attached to the ground?