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4 years ago

Rewrite this formula to solve for GGi: DX=fL/GGi

Physics

1 answer:

sashaice [31]4 years ago

3 0

Comment if you need clarification!

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Rank the deformations of the following rods in terms of the magnitude of the average normal strain: (a) The length of a 1-m-long

kipiarov [429]

To solve this problem we will consider the concepts related to the normal deformation on a surface, generated when the change in length is taken per unit of established length, that is, the division between the longitudinal fraction gained or lost, over the initial length. In general mode this normal deformation can be defined as

$\epsilon = \frac{\delta}{l} = \frac{l_0-l}{l}$

Here,

$\delta$ = Change in final length $(l_0)$ and the initial length $l$

PART A)

$\epsilon = \frac{\delta_1}{l}$

$\epsilon = \frac{l_0-l}{l_0}$

$\epsilon = \frac{1.02-1}{1}$

$\epsilon = 0.01961$

PART B)

$\epsilon = \frac{\delta_1}{l}$

$\epsilon = \frac{l_0-l}{l_0}$

$\epsilon = \frac{2-1.05}{2}$

$\epsilon = 0.475$

PART C)

$\epsilon = \frac{\delta_1}{l}$

$\epsilon = \frac{l_0-l}{l_0}$

$\epsilon = \frac{3.07-3}{3}$

$\epsilon = 0.0233$

Therefore the rank of this deformation would be B>C>A

7 0

3 years ago

Why does the earth stay in orbit around the sun instead of drifting away from it into space?

pychu [463]

Answer:

b it is b part answer i think so

3 0

2 years ago

If an engine cannot be 100%

geniusboy [140]

Answer: Given the evidence in the explanation, I'm pretty sure it's C. It still exists, but in a different form.

Explanation: "Some part of the energy supplied is used to change the internal energy of the system. Some part is also released into the surroundings. Generally, frictional losses are more predominant for the machines being not 100% efficient. This friction leads to the loss of energy in the form of heat, into the surroundings."

3 0

3 years ago

Read 2 more answers

A crate is sitting in the center of a flatbed truck. As the truck accelerates to the east, the crate moves with it, not sliding

ozzi

Answer:

4. To the east

Explanation:

Friction forces always act in the opposite direction that an object tends to move in. In this case, when the truck accelerates to the east, the crate tends to move to the west due to inertia (the tendency for an object to remain at rest or at constant speed). In order to stop the crate from moving, there needs to be a friction force to the east.

3 0

4 years ago

Some people say it is rare to get HIV from a blood transfusion in the United States. True or false? Why?

iragen [17]

Answer:

False

Explanation:

Because there is a 90% chance of contracting HIV from a blood transfusion

8 0

3 years ago