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3 years ago

How does the movement of tectonic plates cause deformation in rocks

1 answer:

4 0

The movement of tectonic plates causes earthquakes when two plates that are in contact with each other move in opposite directions and release built-up stress.For example, one plate may move north, while the other may move south. Stress can build up to a significant amount while the plates are held stationary, but trying to move, which can then be released as an earthquake

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A neighborhood transformer on the top of a utility pole transforms 12.0 kV 60.0 Hz alternating voltage down to 120.0 V to be use

riadik2000 [5.3K]

Answer:

The primary coil has 13,400 turns

Explanation:

Voltage Transformers

A transformer is an electrical apparatus that converts an alternating electrical voltage to another. Step-down transformers lower the voltage from higher levels (kilovolts) to consumer levels (120/240 Volts).

The ratio between both voltages can be computed as

$\displaystyle r=\frac{V_1}{V_2}$

Where V1 is the primary voltage and V2 is the secondary voltage. This ratio depends on the turns ratio of the coils wounded in a common magnetic core.

$\displaystyle r=\frac{N_1}{N_2}$

Being N1 the number of turns of the coils of the primary side and N2 the number of turns in the secondary coil. Both relations give us

$\displaystyle \frac{N_1}{N_2}=\frac{V_1}{V_2}$

Solving for N1

$\displaystyle N_1=\frac{V_1}{V_2}\cdot N_2$

We have:

$V_1=12,000\ V\\V_2=120\ V\\N_2=134$

Calculate N1

$\displaystyle N_1=\frac{12,000}{120}\cdot 134=13,400$

The primary coil has 13,400 turns

8 0

3 years ago

a graduated cylinder contains 60 ml of water. A rock is added and the water level rises to 90 ml. if the rock has a mass of 0.6k

Margarita [4]

Answer:

20g/ml

Explanation:

the mass must be in gram and 90-60 =30

so 600g/30ml =20g/ml

3 0

2 years ago

X-rays have so much energy they can go right through your ___ and ___.

Stolb23 [73]

Answer:

X-rays have so much energy they can go right through your muscles and fat.

Explanation:

There are actually more ways to fill in those two blanks... Different parts of the body absorb x-rays in varying degrees, but soft tissues (like skin, muscles, fat, and organs) allow most of the X-rays to pass through.

8 0

3 years ago

A horizontal wire of length 0.53 m. carrying a current of 7.5 A. is placed in a uniform external magnetic field. When the wire i

Lady_Fox [76]

Answer:

3.4 mT

Explanation:

L = 0.53 m

i = 7.5 A

Theta = 19 degree

F = 4.4 × 10^-3 N

Let B be the strength of magnetic field.

Force on a current carrying conductor placed in a magnetic field.

F = i × L × B × Sin theta

4.4 × 10^-3 = 7.5 × 0.53 × B × Sin 19

B = 3.4 × 10^-3 Tesla

B = 3.4 mT

6 0

3 years ago

Maria and Ben are both suffering from a hereditary disease, as described in the following table.

Margaret [11]

The answer is option B

3 0

3 years ago

Read 2 more answers