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Tanzania [10]
3 years ago
5

A car battery is a 12V DC source. Typically you will find a fuse that can handle a 7 amp surge to power on the lights in your ca

r. What resistance is that fuse protecting?*'
Engineering
2 answers:
marta [7]3 years ago
7 0
<h2>Answer: </h2>

<u>By Ohm's law, Resistance comes</u>

V = IR

R = V/I

R = 12/7

<u>R = 1.71</u><u>Ω</u><u>.</u>

slega [8]3 years ago
3 0

Answer:

resistance=power/current=12/7=1.71ohm

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Answer:Just multiply 90 by itself 46 times

Explanation:

do it

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Convenience items like liquid egg are a lot more expensive?<br> True<br> Or False
Alchen [17]
It’s true because convenience stores are more expensive so that means overall the items would be more expensive.
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A rod that was originally 100-cm-long experiences a strain of 82%. What is the new length of the rod?
Ierofanga [76]

Answer: (b)

Explanation:

Given

Original length of the rod is L=100\ cm

Strain experienced is \epsilon=82\%=0.82

Strain is the ratio of the change in length to the original length

\Rightarrow \epsilon =\dfrac{\Delta L}{L}\\\\\Rightarrow 0.82=\dfrac{\Delta L}{100}\\\\\Rightarrow \Delta L=82\ cm

Therefore, new length is given by (Considering the load is tensile in nature)

\Rightarrow L'=\Delta L+L\\\Rightarrow L'=82+100=182\ cm

Thus, option (b) is correct.

8 0
3 years ago
: A freeway exit ramp has a single lane and consist of entirely of a horizontal curve with a central angle of 90 degree and a le
Mariana [72]

The design speed was used for the freeway exit ramp is 11 mph.

<h3>Design speed used in the exit ramp</h3>

The design speed used in the exit ramp is calculated as follows;

f = v²/15R - 0.01e

where;

  • v is designated speed

v = ωr

v = (θ/t) r

θ = 90⁰ = 1.57 rad

v = (1.57 x 19.4)/2.5 s

v = 12.18 ft/s = 8.3 mph

<h3>Design speed</h3>

f = v²/15R - 0.01e

let the maximum superelevation, e = 1%

f = (8.3)²/(15 x 19.4) - 0.01

f = 0.22

0.22 is less than value of f which is 0.4

<h3>next iteration, try 10 mph</h3>

f = (10)²/(15 x 19.4) - 0.01

f = 0.33

0.33 is less than 0.4

<h3>next iteration, try 11 mph</h3>

f = (11)²/(15 x 19.4) - 0.01

f = 0.4

Thus, the design speed was used for the freeway exit ramp is 11 mph.

Learn more about design speed here: brainly.com/question/22279858

#SPJ1

4 0
2 years ago
A/an _____________ comes on if one of the dual hydraulic brake systems should fail or, in some vehicles, if the brake fluid is l
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Answer: Dash light

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A dash light, usually labeled "BRAKE" will illuminated if a braking system fails, or if the brake fluid is low.

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3 years ago
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