13. In the design of a spring bumper for a 3500- lb car, it is desired to bring the car to a stop from a speed of 5 mi/hr in a distance equal to 6 in. of spring deformation. Specify the required stiffness k for each of the two springs behind the bumper. The springs are undeformed at the start of impact. 5 mi/hr

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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13.
In the design of a spring bumper for a 3500-
lb car, it is desired to bring the car to a stop
from a speed of 5 mi/hr in a distance equal to 6
in. of spring deformation. Specify the required
stiffness k for each of the two springs behind the
bumper. The springs are undeformed at the start
of impact.
5 mi/hr
Transcribed Image Text:13. In the design of a spring bumper for a 3500- lb car, it is desired to bring the car to a stop from a speed of 5 mi/hr in a distance equal to 6 in. of spring deformation. Specify the required stiffness k for each of the two springs behind the bumper. The springs are undeformed at the start of impact. 5 mi/hr
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