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zmey [24]
2 years ago
14

Which of the following best describes the velocity of an object? *

Physics
2 answers:
mixas84 [53]2 years ago
7 0

A. 30 m/s . . . speed

B. 30 m to the East  . . . displacement

C. 30 m/s to the East  . . . <em>velocity</em>

D. 30 m . . . distance

Elena-2011 [213]2 years ago
3 0
D fam hope this helps
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2 years ago
What is apparent magnitude and what can affect it?
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8 0
3 years ago
A (20*20) cm² loop has a resistance of 0.10 Ω. A magnetic field perpendicular to the loop is B = 4t - 2t², where B is in tesla a
Ilya [14]

Answer with Explanation:

We are given that

Area of loop=(20\times 20) cm^2=400\times 10^{-4} m^2

1 cm^2=10^{-4} m^2

Resistance, R=0.1\Omega

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We know that magnetic flux

\phi=BA

Emf ,E=\mid \frac{d\phi}{dt}\mid =\mid\frac{d(BA}{dt}\mid =\mid A\frac{dB}{dt}=400\times 10^{-4}\times \frac{4t-2t^2}{dt}\mid =\mid400\times 10^{-4}\times(4-4t)\mid

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Substitute t=0 s

Then, I=1.6\mid (1-0)\mid=1.6 A

Substitute t=1 s

Then, I=1.6\mid (1-1)\mid=0

Substitute

t=2 s

Current, I=1.6\mid(1-2)\mid=1.6 A

8 0
2 years ago
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5 0
2 years ago
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Help me get a answer ​
daser333 [38]

Answer:

I think D sorry if I'm wrong

6 0
2 years ago
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