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3 years ago

How many leg of elephant? I guest, it have four legs.

Physics

2 answers:

Ksju [112]3 years ago

5 0

Answer:

yes a elephant has four legs

lawyer [7]3 years ago

4 0

Answer:

I believe it has 4 legs as well

Explanation:

It looks like 4 legs, it never gets on 2 legs so it should be 4.

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Mandy is testing an unknown solution to determine whether it is an acid or a base. She places a piece of red litmus paper into t

Marina CMI [18]

The solution is a base

5 0

3 years ago

A 10-turn coil of wire having a diameter of 1.0 cm and a resistance of 0.50 Ω is in a 1.0 mT magnetic field, with the coil orien

n200080 [17]

Answer:

The voltage across the capacitor is 1.57 V.

Explanation:

Given that,

Number of turns = 10

Diameter = 1.0 cm

Resistance = 0.50 Ω

Capacitor = 1.0μ F

Magnetic field = 1.0 mT

We need to calculate the flux

Using formula of flux

$\phi=NBA$

Put the value into the formula

$\phi=10\times1.0\times10^{-3}\times\pi\times(0.5\times10^{-2})^2$

$\phi=7.85\times10^{-7}\ Tm^2$

We need to calculate the induced emf

Using formula of induced emf

$\epsilon=\dfrac{d\phi}{dt}$

Put the value into the formula

$\epsilon=\dfrac{7.85\times10^{-7}}{dt}$

Put the value of emf from ohm's law

$\epsilon =IR$

$IR=\dfrac{7.85\times10^{-7}}{dt}$

$Idt=\dfrac{7.85\times10^{-7}}{R}$

$Idt=\dfrac{7.85\times10^{-7}}{0.50}$

$Idt=0.00000157=1.57\times10^{-6}\ C$

We know that,

$Idt=dq$

$dq=1.57\times10^{-6}\ C$

We need to calculate the voltage across the capacitor

Using formula of charge

$dq=C dV$

$dV=\dfrac{dq}{C}$

Put the value into the formula

$dV=\dfrac{1.57\times10^{-6}}{1.0\times10^{-6}}$

$dV=1.57\ V$

Hence, The voltage across the capacitor is 1.57 V.

5 0

3 years ago

Which of the following represent units of capacitance? You may choose more than one correct answer:

inessss [21]

Answer:

Capacitance is a derived physical quantity measured in farad

4 0

2 years ago

A closed system:

adoni [48]

The answer is b i just did the test

3 0

2 years ago

Current explanation of where electrons might be found in the atom

Paul [167]

Answer:

Outer Shell

Explanation:

an electron of an atom, located in the outermost shell (valence shell) of the atom, that can be transferred to or shared with another atom. An electron in one of the outer shells of an atom that can participate in forming chemical bonds with other atoms. read more

8 0

3 years ago