Physics, 10.03.2021 16:00 robert7248
3. When an unbalanced force acts on a mass, what statement below is true?
a. The mass will not change mechanical energy.
b. The mass will change potential energy.
c. The mass will change kinetic energy.
d. The mass will change heat energy.
Answers: 2
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Assume this car is driven off a cliff . how many arrows of force need to be drawn in the free body diagram? assume no air resistance -five -one -three -four
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Two balls, each with a mass of 0.5 kg, collide on a pool table. is the law of conservation of momentum satisfied in the collision? explain why or why not
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By what primary heat transfer mechanism does the sun warm the earth?
Answers: 1
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Astone is thrown with a speed v0 and returns to earth, as the drawing shows. ignore friction and air resistance, and consider the initial and final locations of the stone. which one of the following correctly describes the change δpe in the gravitational potential energy and the change δke in the kinetic energy of the stone as it moves from its initial to its final location? options a.δpe = 0 j and δke = 0 j b.δpe is positive and δke is negative c.δpe = 0 j and δke is positive d.δpe is negative and δke is positive e.δpe = 0 j and δke is negative
Answers: 3
3. When an unbalanced force acts on a mass, what statement below is true?
a. The mass will not chan...
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