A person can jump a horizontal distance of 2.82m on earth, Ask an Expert

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Q1. A person can jump a horizontal distance of 2.82m on Earth, where the free-fall acceleration, g = 9.81 m/s2. How far might the person jump on the moon, where the free-fall acceleration is g/6? How far could the person jump on Mars where the acceleration due to gravity is 0.38 g?

Q2. A hunter wishes to cross a river that is 1.1km wide and that flows with a speed of 3.5 km/h. The hunter uses a small powerboat that moves at a maximum speed of 12.7km/h with respect to the water. What is the minimum time necessary for crossing?

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