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If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?
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By what factor does the drag force on a car increase as it goes from 65 to 110 km/h?
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Physics, 22.06.2019 18:30
Anonzero net force acts on a particle and does work. which one of the following statements is true? the kinetic energy of the particle changes, but the speed of the particle does not change. the kinetic energy of the particle does not change, but the speed of the particle does change. the kinetic energy of the particle changes, but the velocity of the particle does not change. the kinetic energy and the speed of the particle change, but the velocity of the particle does not change. the kinetic energy, speed, and velocity of the particle change.
Answers: 1
Object A has 25 J of kinetic energy. Object B has one-quarter the mass of object A. By what factor d...
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