minileiva211
13.04.2020 •
Chemistry
A cannonball is fired from a cannon with a velocity of 500.0 m/s. It has a momentum of 17500 m/s. What is the mass of the cannonball?
While running, Jackson has a momentum of 162 kg m/s. If his mass is 54 kg, what speed (velocity) is he running?
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Ответ:
The Ordovician-Silurian extinction as well as many new species
Explanation: