Acontrolled scientific investigation determines the effect of a(n) variable in an experiment.
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Physics, 09.10.2019 00:40 jessiegarrison1
Acontrolled scientific investigation determines the effect of a(n) variable in an experiment.
fixed
constant
dependent
independent
Answers: 1
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Which is not a source of noise pollution? a)airplanes b)acid rain c)machines d)cars
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Apendulum has a mass of 1.5 kg and starts at a height of 0.4 m. if it is released from rest, how fast is it going when it reaches the lowest point of its path? acceleration due to gravity is g = 9.8 m/s2. a. 2.8 m/s b. 0 m/s c. 5.9 m/s d. 4.3 m/s
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Which explanation describes the forces involved for a person to walk down the sidewalk? a. the person's feet push backward on the sidewalk; the sidewalk pushes backward on the person. b. the person's feet push forward on the sidewalk; the sidewalk does not push on the person. c. the person's feet push backward on the sidewalk; the sidewalk pushes forward on the person. d. the person's feet push forward on the sidewalk; the sidewalk pushes forward on the person.
Answers: 1
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Blank liquids and gases exert a buoyant force on objects placed in them
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