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creativ13 [48]
3 years ago
11

How far can you go until you reach space?

Physics
1 answer:
Ira Lisetskai [31]3 years ago
7 0
100.000 kilometres, it takes half an hour.
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puteri [66]
That the field studys the social context in relationships, society, family, school, etc. The way we form relationships, how society affects the relationships we decide to form, how much society influences our decisions, jobs, education( more than we can imagine.)
I believe the most aggravating issue is the police bruality. The fact that the men who are suppose to be heroes, save lives through enforcing the laws, and give protection to the citizens, are instead acting as criminals themselves killing and creating a sense of danger is inexcusable and a solution needs to be made .
6 0
4 years ago
Albert's laboratory is filled with a constant uniform magnetic field pointing straight up. Albert throws some charges into this
guajiro [1.7K]

Answer:

\vec{F}=qB(v_y \hat{i} - v_x\hat{j})

Explanation:

The force excerted by a magnetic field on a charged particle is given by the Lorentz force:

\vec{F} = q \vec{v} \times \vec{B}

Lets consider the z-direction of our coordinate system the same direction of the magnetic field, that is:

\vec{B} = B \hat{k}

Let us consider that the velocity of a given particle is:

\vec{v} = v_x\hat{i} + v_y \hat{j} + v_z \hat{k}

Therefore, since k×k = 0

\vec{v} \times \vec{B} = (v_x\hat{i} + v_y \hat{j} + v_z \hat{k}) \times B\hat{k}\\\vec{v} \times \vec{B}  =  (Bv_x \hat{i} \times\hat{k}) + (Bv_y \hat{j}\times\hat{k})

And since  i, j , k are a rigth hand system:

i × j = k

j × k = i

k × i = j  --> i × k= -j

\vec{v} \times \vec{B}  = Bv_x (-\hat{j}) + Bv_y \hat{i} =  Bv_y \hat{i} - Bv_x\hat{j}

Threfore, if the particle has charge q and velocity v = (vx,vy,vz), the magnetic force it will feel will be

\vec{F}=qB(v_y \hat{i} - v_x\hat{j})

4 0
4 years ago
SOMEONE PLEASE HELP!!!! <br> Select the correct answer. Which planet is planet A
AURORKA [14]
Saturn is the answer 

4 0
4 years ago
Please helpp this is due in 10 minutes?!!!!
Sati [7]

Answer:

1. at the top of the coaster.

2. at the bottom of the coaster.

3. when the car is moving

4. when the car is moving

Explanation:

there is the most amount if potential energy at the top, and the keast at the bottom.

5 0
3 years ago
Please Help!!! Max points!!!!!!
svp [43]

Answer:

some kind of change

motion

KE = 1/2 m v^2

velocity

drag/air resistance

size

shape

Explanation:

8 0
3 years ago
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