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babymother [125]
3 years ago
11

Simplify 7t · s · 3rt

Mathematics
2 answers:
Cerrena [4.2K]3 years ago
8 0
21t2sr This is your answer
maw [93]3 years ago
5 0
I hope this helps you



21.r.s.t^2
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prisoha [69]

Answer:

answer is 25

Step-by-step explanation:

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65+90=155

180-155=25

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Orlov [11]
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Each hour, a pipe carries 2.6 gallons of water from the well to the water tank. How many gallons of water will the pipe transpor
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3 0
3 years ago
Show that p must be directed through centroids of cross sections if axial stress ? is not to vary over a cross section.
wolverine [178]
Assuming P (usually written in upper case) represents a force normal to a given cross section.

If a point load is applied to any point of the section, stress concentration will cause axial stress to vary.

The context of the question considers the uniformity of axial stress at a certain distance away from the point of application (thus stress concentration can be neglected).

If a force P is applied through the centroid, sections will be stressed uniformly.  However, if the force P is applied at a distance "e" from the centroid, the equivalent load on the section equals an axial force and a moment Pe.  The latter causes bending of the member, causing non-uniform stress.

If we assume A=(uniform) cross sectional area, and I=moment of inertia of the section, then stress varies with the distance y from the centroid equal to
stress=sigma=P/A + My/I
where P=axial force, M=moment = Pe.
Therefore when e>0, the stress varies across the section.
7 0
3 years ago
HELP PLEASE ASAP!!!!
Sphinxa [80]

Answer:

4.2

Step-by-step explanation:

its asymmetrical

8 0
3 years ago
Read 2 more answers
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