Homework Statement
You are traveling on a train with your window open. As the train approaches its rather high operating speed, your ears "pop." Your eardrums respond to a decrease or increase in the air pressure by "popping" outward or inward, respectively. Do your eardrums "pop" outward...
[SOLVED] Water flow in pipes
Homework Statement
Water is circulating through a closed system of pipes in a two floor apartment. On the first floor, the water has a gauge pressure of 3.4 x 10^5 Pa and a speed of 2.1 m/s. However, on the second floor, which is 4.0m higher, the speed of the water...
[SOLVED] Conservation of Momentum problem-don't understand the solution
Homework Statement
The drawing shows a collision between two pucks on an air-hockey table. Puck A has a mass of 0.025kg and is moving along the x-axis with a velocity of 5.5m/s. It makes a collision with puck B, which...
Homework Statement
(understood: two air hockey pucks make contact--the x-axis is the table)
Puck A has a mass of .025 kg and is moving along the x-axis with a velocity of +5.5m/s. It makes a collision with puck B, which has a mass of .05kg and is initially at rest. The collision is NOT head on...