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Q. A person lifts a 5kg cement block a vertical distance of 2.3m and after that aeries the block horizontally a distance of 6m. Determine the work completed by the person and by the force of gravity in this process.

Q. 1100 kg car carrying four 98 kg people travels over a "washboard" dirt road with corrugations 4.4 m apart. The car bounces with highest amplitude while its speed is 16 km/h. While the car stops, and people get out, by how much does the car body rise on its suspension?

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Category:- Physics
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