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blondinia [14]
3 years ago
6

A speed does not involve the element of

Physics
1 answer:
guajiro [1.7K]3 years ago
6 0
A speed does not involve the element of direction.
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The direction of deflection of an electron beam in a magnetic field can be determined by which of the following?
amid [387]

Answer:

Right Hand Rule

Explanation:

When a charged particle travels in a magnetic field, it experiences a force whose magnitude is given by:

F=qvBsin\theta

where

q is the charge of the particle

v is the velocity

B is the magnetic field strength

\theta is the angle between the directions of v and B

The direction of the force can be determined by using the Right Hand Rule, as follows:

- index finger: this should be put in the direction of the velocity

- middle finger: this should be put in the direction of the magnetic field

- thumb: this will give the direction of the force -> however, for a negative charge (as the electron) the direction must be reversed, so it will be opposite.

4 0
3 years ago
1)Which statement best describes energy in an open system?
zimovet [89]
B an open system flow both 
6 0
2 years ago
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You are driving home from school steadily at 95.0 km/h for 130 km. It then begins to rain and you slow to 65.0 km/h. You arrive
harkovskaia [24]
Very simple,Its all about calculating distance using the formula:
D = V x T
where,
V is the speed or velocity
D is distance
T is the time
In the given problem,there are two parts.
Lets do the calculations for both parts separately:
Part 1) Before the rain
Time = 130/95
         = 1.37 hours <span> </span>
<span>Time taken after the rain = Total time - time taken before the rain  </span>
<span>                                        = 3.34 hours - 1.37 hours
                                        = 1.97 hours </span>
<span>Distance covered after the rain = 1.97 hours x 65 km/h
                                                  = 128 km</span>
Hence,
<span>a) The total distance covered =  130 + 128
                                           = 258 km
</span><span>b) Average speed = Total distance/Total time
                             =  260/3.34
                             = 78 km/h </span>
4 0
3 years ago
What do electricians call disconnects or disconnecting?
muminat
Service disconnect
this is the first disconnect device after the utility meter.
4 0
1 year ago
What advice would you give her to improve her diagram? Choose all that<br> apply.
Lisa [10]
I think B but I would need to see how much forces are applied
3 0
2 years ago
Read 2 more answers
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