3 years ago

If some raps 3words per second then how many words would he say in 9,999,999,990 seconds

Physics

2 answers:

lesantik [10]3 years ago

4 0

Answer:

29999999970

Explanation: BEacuse of google

wolverine [178]3 years ago

3 0

Answer:

29,999,999,970 words

Explanation:

9,999,999,990x3

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The loop is in a magnetic field 0.20 T whose direction is perpendicular to the plane of the loop. At t = 0, the loop has area A

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Part a)

$EMF = 14 \times 10^{-3} V$

Part b)

$EMF = 15.67 \times 10^{-3} V$

Explanation:

As we know that magnetic flux through the loop is given as

$\phi = B.A$

now we have

$\phi = B\pi r^2$

now rate of change in flux is given as

$\frac{d\phi}{dt} = B(2\pi r)\frac{dr}{dt}$

now we know that

$A = \pi r^2$

$0.285 = \pi r^2$

$r = 0.30 m$

Now plug in all data

$EMF = (0.20)\times 2\pi\times (0.30) \times (0.037)$

$EMF = 14 \times 10^{-3} V$

Part b)

Now the radius of the loop after t = 1 s

$r_1 = r_0 + \frac{dr}{dt}$

$r_1 = 0.30 + 0.037$

$r_1 = 0.337 m$

Now plug in data in above equation

$EMF = (0.20)\times 2\pi\times (0.337) \times (0.037)$

$EMF = 15.67 \times 10^{-3} V$

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3 years ago

If some raps 3words per second then how many words would he say in 9,999,999,990 seconds ​

If some raps 3words per second then how many words would he say in 9,999,999,990 seconds