Four passengers whose combined mass is 300 kg are observed to compress the spring of an automobile by 5 cm when they enter the automobile. If the total load supported by the springs is 900 kg, find the period of vibration of the loaded automobile.
 

Dear Student,

We know,F=kxhere,mg=kx300×10=k×5100k=60000 N/mT=2πmk=2π90060000=2π3200=π532 sec

Regards,

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