تم الحل ✓
categoryالفيزياء
schoolبكالوريوس
event_available2026-07-15
السؤال
Transcribed Image Text:
2. Suppose that you are designing a new shock absorber for an automobile. The car has a mass of 500 kg (kilograms) and the combined effect of the springs in the suspension system is
that of a spring constant of 4000 N/m (i.e.each of the four springs has a spring constant of 1000 N/m).
1. Before a damping mechanism is installed in the car, when the car hits a bump it will bounce up and down. How may bounces will a rider experience in the minute right after the
car hits a bump? Alternatively, what is the frequency in cycles per minute?
The car will bounce 27
times per minute.
2. Your job is to design a damping mechanism which eliminates oscillations when the car hits a bump. What is the minimum value of the effective damping constant that can be
used?
y= 2828.8
kg/sec.
3. Suppose that at time t=0 the car hits a bump. Immediately before that time the car was not moving up and down and the effect of the bump is to add a vertical component to the
speed of the car of 1.0 meter/sec. How high will the car rise above its equilibrium position if you design the system with the damping constant you found in part (b)?
It will rise 0.555
X meters above the equilibrium position.
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