In a 1/4- mile race, runner A reaches her maximum velocity Av in 4 s with constant
Question:
In a 1/4- mile race, runner A reaches her maximum velocity Av in 4 s with constant acceleration and maintains that velocity until she reaches the halfway point with a split time of 25 s. Runner B reaches her maximum velocity vB in 5 s with constant acceleration and maintains that velocity until she reaches the halfway point with a split time of 25.2 s. Both runners then run the second half of the race with the same constant deceleration of 0.3 2 ft/s . Determine
(a) The race times for both runners,
(b) The position of the winner relative to the loser when the winner reaches the finishline.
Step by Step Answer:
Vector Mechanics for Engineers Statics and Dynamics
ISBN: 978-0073212227
8th Edition
Authors: Ferdinand Beer, E. Russell Johnston, Jr., Elliot Eisenberg, William Clausen, David Mazurek, Phillip Cornwell