They are 15.0 m above a fire-fighters safety net. when, Ask an Expert

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Q1. A person jumps from a fourth story window of a burning building.

They are 15.0 m above a fire-fighters safety net. When landing jumper stretches the net 1.0 m before coming to rest. A. what was the average acceleration experienced by the jumper when slowed to rest by the net? B. Is this acceleration positive or negative?

Q2. A strong lightning bolt transfers about 25C to Earth?

a) How many electrons are transferred?

b) If each water molecule donates one electron, what mass of water lost an electron to the lightning? One mole of water has the mass of 18 g.

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Category:- Physics
Reference No.:- M9164023

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