Physics, 08.03.2021 18:10, RainbowPieWasHere
Which of the following describes an action-reaction pair?
A. Your feet push down on the ground, and the ground pushes up on
your feet.
B. Your backpack pulls down on your shoulders, and your feet push
on the ground.
C. You push on a wall, and your feet push on the ground.
D. The Sun's gravity pulls on you, and Earth's gravity pulls on you.
Answers: 3
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When the velocity of an object is doubled, by what factor is its momentum changed? by what factor is its kinetic energy changed? a) the momentum is zero. b) the momentum is not zero. c) difficult to say.
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Physics, 21.06.2019 19:30, ricesonice5
11. you want to calculate the displacement of an object thrown over a bridge. using -10 m/s2 for acceleration due to gravity, what would be the total displacement of the object if it took 8 seconds before hitting the water?
Answers: 1
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In a heat engine if 1000 j of heat enters the system and the piston does 500j of work, what is the final internal energy of the system if the inital energy was 2000 j1.write the equation2.list out your known variables 3. plug the numbers into the equations4.solve 5.write your solution statement that includes initial energy and final energy added.
Answers: 3
Physics, 22.06.2019 17:10, mrylenastewart
The particles that are found in the nucleus of an atom are
Answers: 1
Which of the following describes an action-reaction pair?
A. Your feet push down on the ground, and...
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