Physics, 26.10.2019 04:43 sCoTtYbOy5329
Abox slides down a frictionless plane inclined at an angle θ ¸ above the horizontal. the gravitational force on the box is directed
a)vertically.
b)perpendicular to the plane.
c)at an angle θ ¸ below the inclined plane.
d)parallel to the plane in the same direction as the movement of the box.
e)parallel to the plane in the opposite direction as the movement of the box.
Answers: 2
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Which one of the following research methods can show cause and effect
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Physics, 22.06.2019 15:00
Greg drew a diagram to compare two of the fundamental forces. which labels belong in the areas marked x, y and z? gravitational force electromagnetic force x. attractive y repulsive z: infinite range x: infinite range y attractive z. repulsive x. always attractive y: infinite range z: attractive or repulsive x. attractive or repulsive y infinite range z: always attractive
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Physics, 22.06.2019 17:50
Which of the following best describes internal energy? a. the difference between the kinetic and potential energies of the particles in a system b. the sum of the kinetic and potential energies of the particles in a system c. the sum of the kinetic and thermal energies of the particles in a system d. the difference between the kinetic and thermal energies of the particles in a system
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Physics, 22.06.2019 19:00
Friction removes energy from objects in motion. which statement best describes how this works? a) friction transforms ke into thermal energy b) friction transfers thermal energy to ke c) friction transforms te into pe d) friction transforms pe into ke e) friction transfers ke into pe
Answers: 1
Abox slides down a frictionless plane inclined at an angle θ ¸ above the horizontal. the gravitation...
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