3 years ago

HELP ASAP!!!! WILL GIVE BRAINLIEST!

Physics

1 answer:

Pani-rosa [81]3 years ago

6 0

Answer:

Vacculoes, vesicles

Explanation:

Organelles and other structures within the cells have vesicles collectively referred to as the endo-membrane system. The Lysosomes pack up the substances, and the vesicles go through the porsous membrame and secrete the substances.

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a light wave travels at 3.0 x 10^8 m/s. if the wavelength of a red wave is 700 x 10^-9m, what is the frequency?

asambeis [7]

Frequency = (speed) divided by (wavelength)

   = (3 x 10⁸ m/s) / (700 x 10⁻⁹ m)

   = (3 / 700) x 10¹⁷ ( per sec )

   = 4.286 x 10¹⁴ per sec = 4.286 x 10¹⁴ Hz.

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3 years ago

A loop of wire is carrying current of 2 A . The radius of the loop is 0.4 m. What is the magnetic field at a distance 0.09 m alo

HACTEHA [7]

Answer:

$B=2.91\ \mu T$

Explanation:

Given that,

The current in the loop, I = 2 A

The radius of the loop, r = 0.4 m

We need to find the magnetic field at a distance 0.09 m along the axis and above the center of the loop. The formula for the magnetic field at some distance is given as follows :

$B=\dfrac{\mu_o}{4\pi }\dfrac{2\pi r^2 I}{(r^2+d^2)^{3/2}}$