When a vehicle travels on a rough road whose undulations can be assumed to be sinusoidal, the resonant conditions of the base-excited vibrations, are determined by the:

Mass of the vehicle, stiffness of the suspension spring, speed of the vehicle, wavelength of the roughness curve

Speed of the vehicle and the stillness of the suspension spring

When a vehicle travels on a rough road whose undulations can be assume

1.	When a vehicle travels on a rough road whose undulations can be assumed to be sinusoidal, the resonant conditions of the base-excited vibrations, are determined by the:
A.	Mass of the vehicle, stiffness of the suspension spring, speed of the vehicle, wavelength of the roughness curve
B.	Speed of the vehicle only
C.	Speed of the vehicle and the stillness of the suspension spring
D.	Amplitude of the undulations
Answer» B. Speed of the vehicle only

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When a vehicle travels on a rough road whose undulations can be assumed to be sinusoidal, the resonant conditions of the base-excited vibrations, are determined by the:

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