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3 years ago

You should increase the distance between your car and the vehicle ahead when you:

1 answer:

8 0

<span>You should increase the distance between your car and the vehicle ahead when you are being tailgated by another driver.
Tailgated is a condition when the vehicle behind you is very close to you that there is no distance between your vehicle and the vehicle behind you. In that case you should increase distance from the vehicle ahead to avoid collision in any case. These days people were mostly in hurry and everyone want to go ahead, so tailgating is very common.</span>

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What does Coulombs law state?

dedylja [7]

Coulomb's law states<span> that: The magnitude of the electrostatic force of interaction between two point charges is directly proportional to the scalar multiplication of the magnitudes of charges and inversely proportional to the square of the distance between them.
</span>

7 0

3 years ago

What current flows through a 2.54cm diameter rod of pure silicon that is 20cm long when 1000V is applied?

vfiekz [6]

Answer: $0.0039\ A$

Explanation:

Given

Diameter of the rod $d=2.54\ cm$

length of rod is $l=20\ cm$

Resistivity of silicon is $\rho=6.4\times 10^2\ \Omega-m$

cross-section of the rod $A$

$\Rightarrow A=\dfrac{\pi d^2}{4}\\\\\Rightarrow A=\dfrac{3.142\times 2.54^2\times 10^{-4}}{4}\\\\\Rightarrow A=5.067\times 10^{-4}\ m^2$

Resistance of rod is R

$\Rightarrow R=\dfrac{\rho l}{A}$

$\Rightarrow R=\dfrac{640\times 0.20}{5.067\times 10^{-4}}\\\\\Rightarrow R=25.26\times 10^4\ \Omega$

Current is given by

$\Rightarrow I=\dfrac{V}{R}\\\\\Rightarrow I=\dfrac{1000}{25.26\times 10^4}\\\\\Rightarrow I=0.0039\ A$

3 0

3 years ago

If a triangle is a right triangle, then the other two angles must be acute. true or false

skelet666 [1.2K]

That depends on which angle you picked first, because that determines
which angles "the other two" are.

If you picked the right angle (90°) first, before you asked the question,
then the other two are acute angles, and they're also complementary

5 0

3 years ago

A wave traveling in water has a frequency of 500.0 Hz and a wavelength of 3.00m what is the speed of the wave

vlada-n [284]

Answer is 1500 m/s

Wave speed = Frequency x wavelength

500.0 x 3.00 = 1500 m/s

6 0

3 years ago

Read 2 more answers

Please Help No Link Seriously

Artist 52 [7]

Answer:

x = 8.3 cm

y = 5.4 cm

Explanation:

x position

200(0) + 100(12) + 350(12) / (200 + 100 + 350) = 8.307692...

y position

200(0) + 100(0) + 350(10) / (200 + 100 + 350) = 5.3846153...

7 0

3 years ago