Water flows through a pipe having a varying width. More water flows per second through the wide section than through the narrow section because there is more room for it to flow
A) True B) False
B
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While all planet orbits are ellipses, the eight large planets have fairly ________ eccentricities
Fill in the blank(s) with correct word
A constant force is applied to a body that is already moving. The force is directed at an angle of 60 degrees to the direction of the body's velocity. What is most likely to happen is that
A. the body will stop moving. B. the body will move in the direction of the force. C. the body's velocity will increase in magnitude but not change direction. D. the body will gradually change direction more and more toward that of the force while speeding up. E. the body will first stop moving and then move in the direction of the force.
If you do an experiment on Earth, and then do an identical experiment in a jet plane moving uniformly at a high speed, you get identical results from both experiments. This is an example of __________
Fill in the blank(s) with correct word
A piano string of density 0.005 0 kg/m is under a tension of 1 350 N. Find the velocity with which a wave travels on the string
a. 260 m/s b. 520 m/s c. 1 040 m/s d. 2 080 m/s e. 4 160 m/s