Question: The 450-kg trailer is pulled with a constant speed over the surface of a bumpy road, which may be approximated by a cosine curve having

The 450-kg trailer is pulled with a constant speed over the surface of a bumpy road, which may be approximated by a cosine curve having an amplitude of 50 mm and wave length of 4 m. If the two springs s which support the trailer each have a stiffness of 800 N/m, determine the speed which will cause the greatest vibration (resonance) of the trailer. Neglect the weight of the wheels. -2 m- S -2 m- 100 mm

-2 m- S -2 m- 100 mm

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