In which direction is the magnetic force acting on the charge?

Answers

Answer 1

Answer:

Force on a moving charge inside magnetic field is given by

F = BVLsinФ

It shows it is out of the screen .

What is Fleming's Right hand rule?

If the forefinger points in the direction of magnetic field, the thumb point in the direction of motion of the conductor, then the middle finger will point in the direction of induced emf .

So as per right hand rule if we put our fingers of right hand along the velocity of charge and then curl it towards the magnetic field direction then thumb will show the direction of force on moving charge.

So,

If we use the same for the given condition then velocity is given out of the plane and magnetic field is downwards then as per right hand rule direction of force on the moving charge will be "Towards Right" .

Hence the direction of charge is out of the screen .

Know more about charges,

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Answer 2

Answer:

Answer:

Force on a moving charge inside magnetic field is given by

So as per right hand rule if we put our fingers of right hand along the velocity of charge and then curl it towards the magnetic field direction then thumb will show the direction of force on moving charge.

Step-by-step explanation:

If we use the same for the given condition then velocity is given out of the plane and magnetic field is downwards then as per right hand rule direction of force on the moving charge will be "Towards Right"

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Scura makes sun block and their annual revenues depend on how much they sell. Let x be the quantity of 5 oz. bottles of sun block that they make and sell each year measured in 1000 's of bottles. Thus if x=10 then they make and sell 10000 bottles of sun block each year. If x=25 then they make and sell 25000 bottles of sun block each year.a. If x=50 how many bottles of sun block does Scura make and sell?

b. What is x equal to if Scura produces and sells 45000 bottles of sunblock?

Answers

Answer:

a) 50,000 bottles

b) x = 45

Step-by-step explanation:

We are given the following in the question:

The annual revenue of sun block depends on how much they sell.

Let x be the quantity of 5 oz. bottles of sun block that they make and sell each year measured in 1000 's of bottles.

For x = 10,

10,000 bottles were made and sell each year.

For x = 25,

25,000 bottles of sun block were made and sell each year.

a) x = 50

$\text{Number of bottles} = 50* 1000 = 50,000$

Thus, 50,000 bottles of sun block does Scura make and sell.

b) Scura produces and sells 45000 bottles of sunblock

We have to find the value of x

$x = \displaystyle\frac{\text{Number of bottles}}{1000} = (45000)/(1000) = 45$

Thus, x = 45 if Scura produces and sells 45000 bottles of sunblock.

You select two cards from a standard deck of 52 cards, one after the other. What is the probability that you select and ace then a king? A. 1/13
B. 4/663
C 2/13
D 1/169

Answers

it would be 1/169 because it is not very likley

It would be 2/13 because imagine being given 4 decks of 13 cards and you have. Higher chance of having one to two of an ace or king in the deck compared to pulling none to all four. So 2/13 due to the ratio of 13

3. Error Analysis Isabel says that the equation x - 2 = -(x - 2) has nosolution because a number can never be equal to its opposite. Explain the
error Isabel made

Answers

Given:

The equation is

$(x-2)=-(x-2)$

Isabel says that the given equation has no solution because a number can never be equal to its opposite.

To find:

Isabel's mistake.

Solution:

Her reason "a number can never be equal to its opposite" is not correct.

Zero is a number that can be equal to its opposite.

So, the given equation has solution for which LHS=RHS=0.

We have,

$(x-2)=-(x-2)$

$x-2=-(x)-(-2)$

$x-2=-x+2$

Add x and 2 on both sides.

$x-2+x+2=-x+2+x+2$

$2x=4$

Divide both sides by 2.

$x=(4)/(2)$

$x=2$

So, the given equation has a solution x=2.

Assume that a lost treasure will be in a certain area of the ocean with probability 0.4, and that a search of that area will find the treasure with probability 0.9 if it is there. What is the conditional probability of the treasure being in the area if the area is searched and no treasure is found?

Answers

Answer:

the probability of the treasure being in the area given that no treasure is found is 0.0625 (6.25%)

Step-by-step explanation:

denoting the event N= no treasure is found , then

P(N) = probability that the lost treasure is in the area* probability that the lost treasure is not found in the treasure's area + probability that the lost treasure is not in the area* probability that the lost treasure is not found in other areas = 0.4*0.1 + 0.6*1 = 0.64

P(N) = 0.64

then we can get the conditional probability using the theorem of Bayes . Denoting the event A= the treasure being in the area

P(A/N) = P(A∩N)/P(N) = 0.4*0.1/0.64 = 0.0625 (6.25%)

where

P(A∩N) = probability of the treasure being in the area and no treasure is found

P(A/N) = probability of the treasure being in the area given that no treasure is found

ABCD is a rectangle. Find the length of each diagonal.AC = 3(x - 5) and BD = x + 11
AC =
BD =
Please help!

Answers

Answer:

AC=BD

3(x-5)=x+11

3x-15 = x+11

2x=26

x= 13

AC= 3(13 -5)= 24

BD= 13+11 = 24

Step-by-step explanation:

Find the missing angle
measures marked with
question marks.

Answers

Answer:

First one- The ? across from 70 degrees is 70 degrees, and the ones on the side are both 110 degrees.

The second one- The one across 53 degrees is 53 degrees and the ones are the side are both 127 degrees.

Step-by-step explanation:

Take the shown angle and subract that by 180 degrees to get your answer for the missing angles. And the one across from the shown angle is the same number.

Hope this helped im not sure if its right though.

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