Problem 10: On a two-leg trip, a car travels the first leg, a distance D = 45 miles, in a time tj = 1.05 hours, and travels the second leg, a distance D, = 138 miles, in time ty = 2.05 hours. Refer to the figure. leg 1 leg 2 D D, Part (a) In miles per hour, what is the average speed of the car during the first leg? Vavg1 = sin() cos() tan() 7 8 9 HOME cotan() asin() acos() E 4 6. atan() acotan() sinh() 3

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Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –