Chemistry
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How did the work of Dmitri Mendeleev differ from that of John newlands in the decelopmentbof the periodic table?

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GabrielaM

A soccer ball is traveling at a velocity of 50 m/s. The kinetic energy of the ball is 500 J. What is the mass of the soccer ball? (Formula: )0.1 kg0.2 kg0.4 kg0.5 kg

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