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SashulF [63]
3 years ago
11

A local surf report provides the height of the wave from the trough to the crest of the wave. How does this relate to the wave’s

amplitude?
Engineering
1 answer:
gulaghasi [49]3 years ago
7 0

Answer:

The relationship between the provided height of the wave from the trough to the crest of the wave and the wave's amplitude is;

It is about twice the wave amplitude

Explanation:

The amplitude of a wave is the measured distance of a particle on the wave  that moves from the rest position to the point of maximum displacement. Hence it is the distance between the crest or through and the rest position

Therefore, as the surf report provides the height of the wave from the through to the crest of the wave, it is twice about twice the wave amplitude.

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A tensile test is performed on a metal specimen, and it is found that a true plastic strain of 0.20 is produced when a true stre
disa [49]

Answer:

0.234

Explanation:

True stress is ratio of instantaneous load acting on instantaneous cross-sectional area

σ = k × (ε)^n  

σ = true stress

ε = true strain

k = strength coefficient

n = strain hardening exponent

ε = ( σ / k) ^1/n

take log of both side

log ε = \frac{1}{n} ( log σ  - log k)

n = ( log σ  - log k) / log ε

n = (log 578 - log 860) / log 0.20 = 0.247

the new ε = ( 600 / 860)^( 1 / 0.247) = 0.234

6 0
3 years ago
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insens350 [35]
Number three number three number three I’m not 100% sure though
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3 years ago
I need your help to answer in the picture plss help me!​
Aloiza [94]

this looks like its the different phases of a single cylinder 4 stroke engine what are you doing in the picture or assignment though matching the numbers to the descriptions on the side?

3 0
3 years ago
A new 1.2-ha suburban residential development is to be drained by a storm sewer that connects to the municipal drainage system.
valentinak56 [21]

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Time of concentration, t_d ⇒ 1280 min

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6 0
3 years ago
The annual inventory cost C for a manufacturer is given below, where Q is the order size when the inventory is replenished. Find
Nataly_w [17]

The change in annual cost when Q is increased from 340 to 341 is -1.23 and the instantaneous rate of change when Q = 340 is -1.25

<h3>How to find the Instantaneous rate of change?</h3>

The annual inventory cost C for a manufacturer is given as;

C = (1012000/Q) + 7.5Q

where Q is the order size when the inventory is replenished.

Now, the change in C can be calculated by evaluating the cost function at Q = 340 and Q = 341

Change in C = [1,012,000/341 + 7.5*341] - [1,012,000/340 + 7.5*340] ≈ -1.23

Instantaneous rate of change in C is first order derivative C':

C'(Q) = -1,012,000/(Q²) + 7.5

C'(340) = -1,012,000/(340²) + 7.5 ≈ -1.25

Read more about Instantaneous rate of change at; brainly.com/question/14666106

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1 year ago
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