Particles in which state of matter are the most likely to interact with each other to cause a chemical reaction?

1 answer:

7 0

I think when particles are in the gas form they are most likely to cause a chemical reaction considering the fact that gas particles aren't very controllable and it would make sense that they would react unexpectedly

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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:

<em>The primary coil has 13,400 turns</em>

Explanation:

<u>Voltage Transformers</u>

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

2 years ago

a kid on a playground swing makes 6 complete to-and-from swings each 30 seconds (a) the frequency of the swinging is? (b) the pe

Mariana [72]

The frequency is how many per second:

(6 swings)/(30 sec) = (6/30) swing/sec = 0.2 per sec = 0.2 Hz .

The period is how long each one takes, or seconds per swing.
It's exactly the flip of frequency.
So we could just take the frequency, flip it, and find 1 / 0.2 ,
but let's do it the long way:

(30 sec) / (6 swings) = (30/6) sec/swing = 5 seconds .

4 0

3 years ago

Read 2 more answers

The masses of the Moon and Earth are 7.35 x 1022 kg and 5.97 x 1024 kg, respectively. The strength of the gravitational force be

bixtya [17]

Answer:

Distance between centre of Earth and centre of Moon is 3.85 x 10⁸ m

Explanation:

The attractive force experienced by two mass objects is known as Gravitational force.

The gravitational force is determine by the relation:

$F=\frac{Gm_{1} m_{2} }{d^{2} }$ ....(1)