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1. Sodium-24 has a half-life of 15 hours. How much sodium-24 will remain in an 26.0 g sample after 60 hours?
Answers: 1
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Aperson walking 1 mile everyday for exercise, leaving her front porch at 9: 00 am and returning to her front porch at 9: 25 am. what is the total displacement of her daily walk? a) 1 mileb) 0c) 25 minutes d) none of the above
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Two manned satellites approaching one another at a relative speed of 0.550 m/s intend to dock. the first has a mass of 2.50 ✕ 103 kg, and the second a mass of 7.50 ✕ 103 kg. assume that the positive direction is directed from the second satellite towards the first satellite. (a) calculate the final velocity after docking, in the frame of reference in which the first satellite was originally at rest.(b) what is the loss of kinetic energy in this inelastic collision? (c) repeat both parts, in the frame of reference in which the second satellite was originally at rest. final velocity(d) loss of kinetic energy = ?
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Which form of cell division creates the sperm and egg, resulting in half of the chromosomes as the other cells?
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1. Sodium-24 has a half-life of 15 hours. How much sodium-24 will remain in an
26.0 g sample after...
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