4. The driver of a vehicle on a level road determined that she could increase her speed from rest to 50 mph in 34.8 sec and from rest to 65 mi/h in 94.8 sec. If it can be du dt · βu, = α - assumed that the acceleration of the vehicle takes the form speed is in ft/sec). Determine the maximum acceleration of the vehicle. If the vehicle is traveling at a speed of 40 mph, how long will it take after the driver starts accelerating for the vehicle to achieve a speed of 45 mph? (where,
4. The driver of a vehicle on a level road determined that she could increase her speed from rest to 50 mph in 34.8 sec and from rest to 65 mi/h in 94.8 sec. If it can be du dt · βu, = α - assumed that the acceleration of the vehicle takes the form speed is in ft/sec). Determine the maximum acceleration of the vehicle. If the vehicle is traveling at a speed of 40 mph, how long will it take after the driver starts accelerating for the vehicle to achieve a speed of 45 mph? (where,
Traffic and Highway Engineering
5th Edition
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Garber, Nicholas J.
Chapter3: Characteristics Of The Driver, The Pedestrian, The Bicyclist, The Vehicle, and The Road
Section: Chapter Questions
Problem 11P
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Expert Solution
Step 1: Data given
- Speed increased from rest to 50 mph in 34.8 sec
- Speed increased from rest to 65 mph in 94.8 sec
- Acceleration of vehicle =
Find:
(a) The maximum acceleration of the vehicle.
(b) If the vehicle is traveling at a speed of 40 mph, how long will it take after the driver starts accelerating for the vehicle to achieve a speed of 45 mph
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