3 years ago

Science- look at the picture and i will mark you as brainlyliset if you answer correctly.

Physics

2 answers:

exis [7]3 years ago

6 0

Answer:

It would be C

Explanation:

Because adding HCI would cause a poor conductor of electricity

hram777 [196]3 years ago

4 0

It’s either C or D sorry hope this helps •~•

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Answer:

here given is a weight

then force becomes mg

that is F=Mg

=4*9.8

then by using the formula

F=Ma

a=F/M

=4*9.8/9.8

Explanation:

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3 years ago

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3 years ago

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4 years ago

If I wanted to generate a maximum emf of 20 V, what angular velocity (radians/sec, aka Hz) would be required given a circular co

MissTica

Answer:

35.36776 Hz

Explanation:

B = Magnetic field = $9\times 10^{-3}}\ T$

$E_m$ = Maximum voltage = 20 V

d = Diameter of coil = 40 cm = 0.4 m

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N = Number of turns = 500

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Maximum emf is given by

$E_m=NAB\omega\\\Rightarrow \omega=\frac{E_m}{NAB}\\\Rightarrow \omega=\frac{20}{500\times \pi\times 0.2^2\times 9\times 10^{-3}}\\\Rightarrow \omega=35.36776\ Hz$

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