Physics, 21.01.2021 06:10 debbieparr4536
If the mass of one of two particles is doubled and
the distance between their centers is doubled, the
magnitude of the force of attraction of one particle
for the other particle is
(1) halved
(3) quartered
(2) doubled
(4) unchanged
Answers: 2
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Acricket ball of 70g moving with a velocity of 0.5 m/s is stopped by a player in 0.5s what is the force applied to stop the ball
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Which lists the main components of darwin’s theory of evolution? a. random mutations drive evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms do not change. b. natural selection drives evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms change over time. c. natural selection drives evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms change over time. d. random mutations drive evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms do not change.
Answers: 1
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The frequencies refer to the sample data collected from a population of interest when performing a hypothesis test comparing two or more population proportions.
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Which statement best describes the superposition principle? a.) if two in-phase waves arrive simultaneously at a point, their amplitudes add up b.) if two out-of-phase waves arrive simultaneously at a point, their amplitudes add up c.) if two in-phase waves arrive at a point one after another, their amplitudes add up d.) if two out-of-phase waves arrive at a point one after another, their amplitudes adds up
Answers: 2
If the mass of one of two particles is doubled and
the distance between their centers is doubled, t...
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