How much time does it take for the package to reach ground

Reference no: EM139182

Q1. A 61 kg speed skater with the velocity of 16 m/s comes into a curve of 18 m radius. How much friction should be exerted between skates and ice to negotiate the curve?

Q2. A helicopter is ascending vertically with a speed of 5.06. At a height of 126 above the Earth, the package is dropped from a window.

How much time does it take for the package to reach ground?

Reference no: EM139182

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