When a generator rotates a coil of wire in a magnetic field, which of the following is produced?magnetic domain

magnetic pole

electric field

electric current

Answers

Answer 1
Answer: electric current  is the answer well it should be i just did this qeustion on my class

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What forces are acting on a book lying on the table? Are action-reaction forces involved in this situation?

Answers

There is a weight force acting on the book downwards. There is a normal contact force also on the book upwards. These are equal and opposite. These two force are NOT an action-reaction couple (they are different types, they both act on the book)

Two objects have mass 8 kg and 25 kg. Which one has more inertia?""

Answers

Answer:

the 25 kg one

Explanation:

The higher the weight the higher the inertia.
lets suppose we blow wind at both of these objects at a very high rate equally, u will notice after some time depending on the strength of wind the 8kg object will probably move earlier than the 25 kg one.

Gravity is greater when there is

Answers

when there is more mass and less distance between two objects

Gravity is greater when there is more mass and less distance between two given objects.

If X = 5 and Y = 3, what does Z equal?
2X + 2Z = 10Y

Answers

Z equals 10, when substitute X = 5 and Y = 3 in 2X + 2Z = 10Y.

What are Arithmetic operations?

Arithmetic operations can also be specified by the subtract, divide, and multiply built-in functions.

* Multiplication operation: Multiplies values on either side of the operator

For example 4*2 = 8

/ Division operation: Divides left-hand operand by right-hand operand

For example 4/2 = 2

Given that equation as:

⇒ 2X + 2Z = 10Y

If X = 5 and Y = 3,

Substitute the values of X = 5 and Y = 3,

⇒ 2(5) + 2 (Z) = 10(3)

Apply the multiplication operation

⇒ 10 + 2Z= 30

⇒ 2Z = 20

⇒ Z = 20/2

Apply the division operation

⇒ Z = 10

Hence, Z equals 10, when Substitute  X = 5 and Y = 3 in 2X + 2Z = 10Y

Learn more about Arithmetic operations here:

brainly.com/question/25834626

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2(5) + 2 (z) = 10{3}
10 + 2z= 30
2z=20
z=10

When starting a heavy train, why will train engineers sometimes back up, stop, and then proceed forward? (This technique is called "bunching slack.")

Answers

it is kind of in the name. it brings the cars closer together then continues to go forward.
maybe....
when going in reverse it makes a tiny gap between each boxcar, then when going forward it pushes or pulls each car one at a time to build momentum rather than moving them all at once...not sure

Think about multiplying the mass of each student by a factor to calculate each student’s kinetic energy. Is there a common factor that works for every student? If so, what’s this factor?

Answers

Answer:

KE= (1/2)mv^2

given m, the remaining components of the equation are=

1/2v^2?

Explanation:

KE= (1/2)mv^2

plug in...

=(1/2)(27 kg)(3 m/s)^2= 121.5

KE= 121.5 J

Answer:

Multiplying the mass of any student by a factor of 4.5 gives the kinetic energy of the student.