A tank car is stopped by two spring bumpers A and B, having a stiffness of kд = 15(10³) lb/ft and kB = 20(10³) lb/ft, respectively. Bumper A is attached to the car, whereas bumper B is attached to the wall as shown in (Figure 1). The car has a weight of 25 (10³) lb and is freely coasting at 5 ft/s.
A tank car is stopped by two spring bumpers A and B, having a stiffness of kд = 15(10³) lb/ft and kB = 20(10³) lb/ft, respectively. Bumper A is attached to the car, whereas bumper B is attached to the wall as shown in (Figure 1). The car has a weight of 25 (10³) lb and is freely coasting at 5 ft/s.
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Transcribed Image Text:Question 5
A tank car is stopped by two spring bumpers A and B,
having a stiffness of kå = 15(10³) lb/ft and
kß = 20(10³) lb/ft, respectively. Bumper A is
attached to the car, whereas bumper B is attached to the
wall as shown in (Figure 1). The car has a weight of
25(10³) lb and is freely coasting at 5 ft/s.
Figure
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car.
Determine the maximum deflection of spring A at the instant the bumpers stop the
Express your answer in feet to three significant figures.
XA =
Submit
Part B
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Express your answer in feet to three significant fiaures.
5 of 5
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Determine the maximum deflection of spring B at the instant the bumpers stop the
ft
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