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,
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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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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