2 years ago

How do its eight arms help an octopus obtain food

Physics

1 answer:

Andrews [41]2 years ago

5 0

The more arms it has the less of a chance the prey has to swim away.

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Answer

given,

Two solenoids A and B

Number of turn

Na = 430 turns Nb = 610 turns

Current = 2.80 A

Average flux through A = 300 μWb

Average of flux through B = 90.0 μ Wb

a) $L = \dfrac{N \phi}{I}$

$L = \dfrac{610\times 90 \times 10^{-6}}{2.80}$

$L =19.6 mH$

b) inductance of A

$L = \dfrac{N_A \phi_A}{I_A}$

$L = \dfrac{430\times 300 \times 10^{-6}}{2.80}$

$L =46 mH$

c) magnitude of the emf

$\epsilon_B = -L_B\dfrac{dI}{dT}$

$\epsilon_B = -(19.6\times 10^{-3})(0.5)$

$\epsilon_B = -9.8\times 10^{-3}\ V$

$\epsilon_B = -9.8\ mV$

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3 years ago

Jamie hears a high-pitched sound that then changes to a low-pitched sound. What is most likely occurring?

netineya [11]

Below are the choices that can be found from other source:

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b. the Doppler effect
c. the resonance effect
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The answer is B.

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technically B too but youre teachers not that smart so there you go

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