Physics, 19.11.2019 04:31 qudoniselmore0
When a toilet is flushed or a sink is drained, the water (and other material) begins to rotate about the drain on the way down. assuming no initial rotation and a flow initially directly straight toward the drain, explain what causes the rotation and which direction it has in the northern hemisphere. (note that this is a small effect and in most toilets the rotation is caused by directional water jets.) would the direction of rotation reverse if water were forced up the drain?
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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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When a toilet is flushed or a sink is drained, the water (and other material) begins to rotate about...
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