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Q. A car drives straight off the edge of a cliff that is 47.00m high. The police at the scene of the accident observed that the point of impact is 122 m from the base of the cliff. How fast was the car travelling when it went over the cliff?

Q. A tank having a volume of 0.100 m3 contains helium gas at 130 atm. How many balloons can the tank blow up if each filled balloon is a sphere 0.30 m in diameter at an absolute pressure of 1.45 atm?

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