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konstantin123 [22]
3 years ago
9

A magnetic field forms around a moving electric charge, resulting in a magnetic field.

Physics
1 answer:
Nookie1986 [14]3 years ago
3 0
B.
how electric charges can be used to create a magnetic field 
(how I know, just took it, the test I mean)
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Consider the specific example of a positive charge q moving in the +x direction with the local magnetic field in the +y directio
Leto [7]

Answer:

Therefore the direction is in the <u>positive direction of the z axes</u>.

Explanation:

Let's recall that the magnetic force is given by:

F_{B}=q(\vec{v} \times \vec{B})

The unit vector of V is \hat{i} and the unit vector of B is \hat{j}

So, the direction of the force will be defined as the cross product of i and j, and using the right hand rule:

\hat{i} \times \hat{j} = \hat{z}

Therefore the direction of the magnetic force is in the <u>positive direction of the z axes</u>.

I hope it helps you!

4 0
4 years ago
Read 2 more answers
There are four major auto routes from boston to detroit and six from detroit to los angeles. how many major auto routes are ther
Ilia_Sergeevich [38]
For each route from Boston to Detroit, there are 6 possible routes to Los Angeles.
Therefore if there are 4 routes from Boston to Detroit, the number of routes from Boston to Los Angeles is
4*6 = 24
The diagram shown below illustrates the possible routes.

Answer: 24

6 0
3 years ago
You are holding a shopping basket at the grocery store with two 0.60 kg cartons of cereal at one end of the basket. The basket i
ludmilkaskok [199]

Answer:

The gallon of milk is placed at a distance of 0.641 meters.

Explanation:

We have,

Mass of two 0.6 kg cartons of cereal is 1.2 kg

Length of the basket, l = 0.77 m

Center of the basket is 0.385 m

Mass of the half gallon of milk is 1.8 kg

Total weight in the basket is 1.2 + 1.8 = 3 kg

We need to find the position of the gallon of milk so that the center of mass (COM) of your groceries is at the center of the basket.        

So,

(3 × 0.385) = (1.2 × 0) + (1.8 × x)

1.155 = 1.8 x

x = 0.641 meters

So, the gallon of milk is placed at a distance of 0.641 meters.

5 0
4 years ago
Two ions with masses of 4.39×10−27 kg move out of the slit of a mass spectrometer and into a region where the magnetic field is
Ilia_Sergeevich [38]

Answer:

7.2 cm

Explanation:

magnetic field, B = 0.301 T

speed, v = 7.92 x 10^5 m/s

mass, m = 4.39 x 10^-27 kg

q = 1.6 x 10^-19 C

The radius of singly changed ion is given by

r = \frac{mv}{Bq}

where, m is the mass of ion, v be the speed of ion, B is the magnetic field and q be the charge

r = \frac{4.39\times 10^{-27}\times 7.92 \times 10^{5}}{0.301\times 1.6\times 10^{-19}}

r = 0.072 m

r = 7.2 cm

5 0
3 years ago
The football player throws the football with an initial diagonal velocity of 17 m/s at an
ArbitrLikvidat [17]
17 Sin (45) in the vertical and 17 Cos
(45)
8 0
4 years ago
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