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3 years ago

I WILL CHOOSE YOU AS BRAINLIEST , PLEASEE HELP ME IT URGENT!!!!!!!!!!!!

Physics

1 answer:

Morgarella [4.7K]3 years ago

8 0

Answer:

Over Here

Explanation:

Newton's second law of motion can be formally stated as follows: The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object.

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Calculate the speed of a car that travels 250 miles in 4.0 hours. (remember your unit)

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250/4= 62.5 mph

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3 years ago

The electric potential difference across the membrane of a body cell is 0.070 V (higher on the outside than on the inside). The

12345 [234]

Answer:

The electric field is $8.75 \times 10^{6}~v~m^{-1}$ and the ditection is from outer to inner side of the membrane.

Explanation:

We know the electric field ( $\vec{E}$ ) is given by $\vec{E} = - \nabla V$ , 'V' being the potential.

In 1-D, it can be written as

$E=\dfrac{V}{d}$

where 'd' is the separation of space in between the potential difference is created.

Given, $V = 0.070~V~$ and the thickness of the cell membrane is $d = 8.0 \times 10^{-9}~m$ .

Therefore the created electric field through the cell membrane is

$E = \dfrac{0.07~V}{8 \times 10^{-9}~m} = 8.75 \times 10^{6}~m~s^{-1}$

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3 years ago

Why are yet planes faster tharn. cargo planes?

stellarik [79]

Answer:

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Explanation:

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2 years ago

Gravity is an attractive force between two or more objects. The amount of force is directly proportional of the _______ of the o

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3 years ago

Because white dwarfs are small, as their name implies, they are hard to see. What is a way astronomers have to find white dwarfs

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brainly.com/question/19602278

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2 years ago