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2 years ago

8

Look at the circuit diagram. What type of circuit is shown? A) open series circuit B) closed parallel circuit C) closed series c

ircuit D) open parallel circuit

1 answer:

KATRIN_1 [288]2 years ago

3 0

Answer:

B. closed series circuit because the resistors are one after the other and there is no open switch.

Explanation:

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One of the most important properties of materials in many applications is strength. Two of the qualitative measures of the stren

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To solve this exercise it is necessary to take into account the concepts related to Tensile Strength and Shear Strenght.

In Materials Mechanics, generally the bodies under certain loads are subject to both Tensile and shear strenghts.

By definition we know that the tensile strength is defined as

$\sigma = \frac{F}{A}$

Where,

$\sigma =$ Tensile strength

F = Tensile Force

A = Cross-sectional Area

In the other hand we have that the shear strength is defined as

$\sigma_y = \frac{F_y}{A}$

where,

$\sigma_y =$ Shear strength

$F_y =$ Shear Force

$A_0 =$ Parallel Area

PART A) Replacing with our values in the equation of tensile strenght, then

$311*10^6 = \frac{F}{(15*10^{-6})(30*10^{-2})}$

Resolving for F,

$F= 1399.5N$

PART B) We need here to apply the shear strength equation, then

$\sigma_y = \frac{F_y}{A}$

$210*10^6 = \frac{F_y}{15*10^{-6}30*10^{-2}}$

$F_y = 945N$

In such a way that the material is more resistant to tensile strength than shear force.

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Do you think a baseball curves better at the top of a high mountain or down on a flat plain

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A baseball will curve better on the flat plain if it is higher than sea level but low elevation.

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List three ways in which the study of science has made modern life different from that of 100 years ago

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For Blake:

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= 720 J
Power = 720 J/ 4 min
= 180 J/min

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Blake's power is more than Sandra's.

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2 years ago

Read 2 more answers