A student holds two iron magnets, one in each hand. The south pole of one magnet is pointed toward the south pole of the other magnet. As the magnets get closer to each other, they will–
1. attract more strongly.
2. attract more weakly.
3. repel more strongly.
4. repel more weakly.
Answers: 1
Physics, 22.06.2019 12:20
Aball with a mass of 275 g is dropped from rest, hits the floor and rebounds upward. if the ball hits the floor with a speed of 2.40 m/s and rebounds with a speed of 1.70 m/s, determine the following. (a) magnitude of the change in the ball's momentum (let up be in the positive direction.)
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2) a cubical block of stone is lowered at a steady rate into the ocean by a crane, always keeping the top and bottom faces horizontal. which one of the following graphs best describes the buoyant force b on this block as a function of time t if the block just enters the water at time t = 0 s?
Answers: 3
A student holds two iron magnets, one in each hand. The south pole of one magnet is pointed toward t...
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