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sukhopar [10]
3 years ago
14

I WILL MARK BRAINIEST

Physics
2 answers:
ch4aika [34]3 years ago
8 0

Answer:

i think answer b

Explanation:

TiliK225 [7]3 years ago
4 0

Answer:

I think it's B but I'm not 100% sure

Explanation:

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Compare the signs of ƒ for lenses and mirrors.
STALIN [3.7K]

Answer:

simple

Explanation:

<h3>CONCAVE MIRRORS AND LENSES</h3>

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3 0
3 years ago
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What is the difference between each distance traveled and displacement travled
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Displacement is a vector magnitude that depends on the position of the body which is individualistic for the trajectory.

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3 years ago
A proton initially moves left to right along the x-axis at a speed of 2.00 x 103 m/s. It moves into an uniform electric field, w
FinnZ [79.3K]

Answer:

E = 1.04*10⁻¹ N/C

Explanation:

Assuming no other forces acting on the proton than the electric field, as this is uniform, we can calculate the acceleration of the proton, with the following kinematic equation:

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As the proton is coming at rest after travelling 0.200 m to the right,  vf = 0, and x = 0.200 m.

Replacing this values in the equation above, we can solve for a, as follows:

a = \frac{vo^{2}*mp}{2*x} = \frac{(2.00e3m/s)^{2}}{2*0.2m} = 1e7 m/s2

According to Newton´s 2nd Law, and applying the definition of an electric field, we can say the following:

F = mp*a = q*E

For a proton, we have the following values:

mp = 1.67*10⁻²⁷ kg

q = e = 1.6*10⁻¹⁹ C

So, we can solve for E (in magnitude) , as follows:

E = \frac{mp*a}{e} =\frac{1.67e-27kg*1e7m/s2}{1.6e-19C} = 1.04e-1 N/C

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3 years ago
In the Rolling Plains ecoregion of Texas, some parts of rivers are in deep canyons and others have bottoms that are close to the
Serga [27]

Answer:

most likely C

Explanation:

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What is the measure of a change in an object’s velocity?
tiny-mole [99]
It's a measure of the acceleration
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