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# An electron has a mass of 9.109 x 10 kg. A positron is a positively charged particle with the same mass as an electron. When an electron and positron collide, they annihilate to convert all their mass into energy. . How much energy is released by the reaction of 1 mole of electrons and a positrons   ### Another question on Physics Physics, 21.06.2019 22:40
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Aplayer uses a hockey stick to push a puck at a constant velocity across the ice. the weight of the puck is 170 n. the coefficient of friction is 0.0600. with what force must the player push the puck so that his force just equals the frictional force? 28.3 n 0.999 n 0.102 n 0.0104 n
An electron has a mass of 9.109 x 10 kg. A positron is a positively charged particle with the same m...
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