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2 years ago

What is the differences between normal and perpendicular?

1 answer:

6 0

Perpendicular means when a segment goes from the middle of another segment and is called the perpendicular foot and it goes like this
|
_____|_____ =>these two are perpendicular

Sorry for my bad demonstration

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Consider a steel guitar string of initial length L=1.00 meter and cross-sectional area A=0.500 square millimeters. The Young's m

Goshia [24]

Answer:

15mm

Step-by-step explanation:

we are looking for extension

To get Extension you need the original length and the strain both of which you are given

initial length L = 1.00m

the area A = 0.5mm² = 0.5 mm² = 0.5 x 10⁻⁶ m² ( we are changing to metres squared)

E = 2.0 x 10¹¹ n/m², Young's modulus

P = 1500N, the applied tension

Now to Calculate the stress.

σ = P/A (force/area) = (1500 N)/(0.5 x 10⁻⁶ m²) = 3 x 10⁹ N/m²

Also, Let β = the stretch of the string.

Then the strain is

ε = β/L (extension/ original length)

By definition, the strain is ε = σ/E = (3 x 10⁹ N/m²)/(2 x 10¹¹ N/m²) = 0.015

Therefore β/(1 m) = 0.015β = 0.015 m = 15 mm

Answer: 15 mm

8 0

2 years ago

The y-intercept of the line whose equation is 2x + y = 4 is -2 2 4

Ber [7]

The y intercept is the value of y when x=0. Substituting we get

y = 4

Answer: 4

8 0

3 years ago

Read 2 more answers

Oxnard Petro Ltd. is buying hurricane insurance for its off-coast oil drilling platform. During the next five years, the probabi

Andrew [12]

Answer:

The expected loss is $275 million.

Step-by-step explanation:

Expected loss can be determined as the sum of the product of each possible loss by the its probability of occurence. In this situation, there are only two possible losses listed since the probability of no loss doesn't add any value to the expected loss and should be disregarded.

Expected loss (in millions) = EL

$EL = (300*0.25)+(800*0.25)\\EL = 275$

The expected loss is $275 million.

6 0

3 years ago

A business owner pays $1,200 per month in rent and a total of $120 per hour in employee salary for each hour the store is open.

Cloud [144]

0 = 200x - 120x - 1200

6 0

3 years ago

Which set of ordered pairs is made up of points on the graph of the function below? y=-3x+6

Alik [6]

Where's the graph?? I can't answer if there's no graph. lol xD

5 0

2 years ago