3 years ago

If a person gets eight hours of sleep every night but still feels exhausted in the morning he or she may suffer from

Physics

1 answer:

tatuchka [14]3 years ago

4 0

I believe the and is B

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What direction is the net force on a falling skydiver before she reaches terminal velocity?

GarryVolchara [31]

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The net force and the acceleration on the falling skydiver is upward

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An upward net force on a downward falling object would cause that object to slow down. the skydiver this slows down. As the speed decreases, the amount of air resistance also decreases until once more the skydiver reaches a terminal velocity.

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4 years ago

Vector A⃗ points in the positive y direction and has a magnitude of 12 m. Vector B⃗ has a magnitude of 33 m and points in the ne

gavmur [86]

vector A has magnitude 12 m and direction +y

so we can say

$\vec A = 12 \hat j$

vector B has magnitude 33 m and direction - x

$\vec B = -33 \hat i$

Now the resultant of vector A and B is given as

$\vec A + \vec B = 12 \hat j - 33 \hat i$

now for direction of the two vectors resultant will be given as

$\theta = tan^{-1}\frac{12}{-33}$

$\theta = 160 degree$

so it is inclined at 160 degree counterclockwise from + x axis

magnitude of A and B will be

$R = \sqrt{A^2 + B^2}$

$R = \sqrt{12^2 + 33^2} = 35.11 m$

so magnitude will be 35.11 m

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3 years ago

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ad-work [718]

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Electric current is the flow of charged particles called blank .

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Can someone please help me no one ever responds to my question and I need the correct answer. I believe the answer is C but i'm

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Yes you were correct the answer was c

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