Question
A 6.0-cm-diameter horizontal pipe gradually narrows to 4.5 cm. When water flows through this pipe at a certain rate, the gauge pressure in these two sections is 33.5 kPa and 22.6 kPa, respectively.What is the volume rate of flow?
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General Physics 6 years 1 Answer 6829 views

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I have two thoughts on this. One, the speed of dark is the same as light. two, the speed of dark is infinite and we can’t observe it because it only replaces light as fast as the light ...
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General Physics 6 years 1 Answer 962 views

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When I am finding an area of a square with an uncertainty it’s obvious I do A=lw then Au=A[(lu/l)+(wu/w)). If I am doing the same with a cube, does the same logic apply? Vu=V[(lu/l)+(wu/w)+(hu/h)]. This is where ...
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General Physics 6 years 1 Answer 1106 views

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A sign is to be hung from the end of a thin pole, and the pole supported by a single cable. Your design firm brainstorms the six scenarios shown below. In scenarios A, B, and D, the cable is attached ...
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General Physics 6 years 1 Answer 10893 views

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Learning Goal: To understand and apply the formula τ =Iɑ to rigid objects rotating about a fixed axis. To find the acceleration ɑ of a particle of mass m, we use Newton’s second law: , where 
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General Physics 6 years 1 Answer 8492 views

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Six automobiles are initially traveling at the indicated velocities. The automobiles have different masses and velocities. The drivers step on the brakes and all automobiles are brought to rest. A) Rank these automobiles based on their momentum before the brakes are ...
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General Physics 6 years 1 Answer 8104 views

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The figure shows a simple model of a seesaw. These consist of a plank/rod of mass mr and length 2x allowed to pivot freely about its center (or central axis), as shown in the diagram. A small sphere of mass m1 is attached to ...
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General Physics 6 years 1 Answer 7391 views

Question
A 6.0-cm-diameter horizontal pipe gradually narrows to 4.5 cm. When water flows through this pipe at a certain rate, the gauge pressure in these two sections is 33.5 kPa and 22.6 kPa, respectively.What is the volume rate of flow?
solved 0
General Physics 6 years 1 Answer 6829 views