Physics, 22.10.2019 19:50 shadowz8813
Three balls are thrown off a tall building with the same speed but in different directions. ball a is thrown in the horizontal direction; ball b starts out at 45° above the horizontal; ball c begins its flight at 45° below the horizontal. which ball has the greatest speed just before it hits the ground? assume that the ground near the building is level, and ignore any effects due to air resistance.
Answers: 3
Physics, 22.06.2019 12:00
If two students are running down the hall toward each other, trying to get to class, and they have the same mass and acceleration, what will happen when they collide? will their forces cancel out or will each one experience a reaction?
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Physics, 22.06.2019 19:30
Which describes increasing the efficiency of energy resource
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Physics, 23.06.2019 05:00
Consider the phase change taking place in the picture. you could use all but one statement to describe what is happening here. that is: a) temperature is increasing. b) kinetic energy is increasing. c) the space between the particles remains the same. d) the attractive force between the particles is decreasing.
Answers: 1
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