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Alina [70]
3 years ago
9

It takes a person one half hour to run 6 kilometers at a constant rate along a straight-line path. What is the velocity of the p

erson?
Physics
1 answer:
Agata [3.3K]3 years ago
8 0
The person's velocity is ...

(12 km/hr) in the direction the path runs
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A charged particle moving along the x-axis enters a uniform magnetic field pointing along the z-axis. Because of an electric fie
Furkat [3]

Answer:

Explanation:

Let the charge particle have charge equal to +q .

force due to electric field will be along the field that is along y - axis . To balance it force by magnetic force must be along   - y axis. ( negative of y axis )

force due to magnetic field = q ( v x B ) , v is velocity and B is magnetic field.

F = q ( v i x B k )  , ( velocity is along x direction and magnetic field is along z axis. )

= (Bqv) - j  

= - Bqv j

The force will be along - ve y - direction .

If we take charge as negative or - q

force due to electric field will be along - y axis .

magnetic force = F = -q ( v i x B k )

= +  Bqv j

magnetic force will be along  + y axis

So it is difficult to find out the nature of charge on the  particle from this experiment.

5 0
3 years ago
The orbits of ____ lie closer to the sun than does earth's orbit.
Eva8 [605]

Answer:

Mercury and Venus lie closer to Sun than position of Earth

Explanation:

As we know that all planets around the sun in the range of their distance can be arranged as following:

1). Mercury.

2). Venus.

3). Earth.

4). Mars.

5). Jupiter.

6). Saturn.

7). Uranus.

8). Neptune.

Since Earth lie at 3rd position from sun so two closer planets are Mercury and Venus

5 0
3 years ago
If the car went 30 km west in 25 min. and then 40 km south in 35 min., what would be its average speed?
Alika [10]
The total distance is 70km.
The total time is 60 minutes or 1 hour.
Speed=Distance÷Time
=70÷1
=70km/h
8 0
3 years ago
Read 2 more answers
Describe the interactive roles and statuses of individuals and groups in your conmunity
marta [7]
Social groups<span> that we as </span>individuals<span> belong to, we have a </span>status<span> and a </span>role<span> to fulfill.</span>Status<span> is our relative social position within a </span>group<span>, while a </span>role<span> is ... Because of this </span>status<span>, he is expected to fulfill a </span>role<span> for his children ... These make it a crime to hire and promote people because they are </span>your<span> relatives.
put me as a brainiest </span><span />
5 0
3 years ago
Match the sentences in Column A based on whether they describe radio waves, visible light waves, or both (Column B). Column A 1.
Andrew [12]
<span>1. They’re invisible - RADIO WAVES

2. They have colors. - VISIBLE LIGHT WAVES

3. They’re used to learn about dust and gas clouds. - BOTH

4. They can travel in a vacuum. </span> - BOTH<span>

5. They’re used to find the temperature of stars. </span>- VISIBLE LIGHT WAVES<span>

 6. They have energy. </span> - BOTH
8 0
3 years ago
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