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34kurt
3 years ago
5

The gap between electrodes in a spark plug is 0.060 cm. Producing an electric spark in a gasoline-air mixture requires an electr

ic field of 3.0 × 106 V/m. What minimum potential difference must be supplied by the ignition circuit to start a car?
Physics
1 answer:
VladimirAG [237]3 years ago
6 0

The minimum potential difference must be supplied by the ignition circuit to start a car is -1800 V

<u>Explanation:</u>

Given data,

E= 3 ×10 ⁶ Δx=0.06/100

We have to find the minimum potential difference

E= -ΔV/Δx

ΔV=- E × Δx

ΔV =-3 ×10 ⁶ . 0.06/100

ΔV=-1800 V

The minimum potential difference must be supplied by the ignition circuit to start a car is -1800 V

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In a computer-based experiment to study diffraction, the width of the central diffraction peak is 15.20 mm. The wavelength of th
pogonyaev

Answer:

a = 5.7 \times 10^{-5} m

Explanation:

As we know that position of first minimum on the either side of central maximum is given as

a sin\theta = \lambda

\theta =sin^{-1} \frac{\lambda}{a}

so the width of the central maximum is given as

W = L (2\theta)

so we have

15.20 \times 10^{-3} = 0.68 \times 2(sin^{-1} \frac{\lambda}{a})

so we have

0.011 = sin^{-1} \frac{\lambda}{a}

0.011 = \frac{638 nm}{a}

a = 5.7 \times 10^{-5} m

3 0
4 years ago
A car travels a distance of 25 meters in 3 minutes what's its velocity in m/s?
iogann1982 [59]

vel = 25/3x60

25/180 m/s

5/36m/s

5 0
3 years ago
Explain how forces of attraction and repulsion exist within an atom. describe how an electric charge is developed by friction or
dalvyx [7]

There are three kinds of forces within the atom:

  i) Electromagnetic force of attraction between the electrons and protons

  ii) Electromagnetic force of repulsion between the protons or weak nuclear force

  iii) Strong nuclear force between the electrons and protons

<h3>What is nuclear force?</h3>

The electromagnetic force of attraction:

  • Electrons circle in the orbits above the nucleus. There exists an electromagnetic force of pull between the electrons and protons. That’s why electrons do not depart the atom.

Weak nuclear force:

  • It is an electromagnetic significance of revulsion between the protons in the nucleus of the atoms.

Strong nuclear force:

  • This force is strongest from all the fundamental details and exists between the protons and neutrons in the nucleus of an atom. This pressure overcomes the weak nuclear force and does not allow protons to stray out.

To learn more about nuclear force, refer to:
brainly.com/question/8695581

#SPJ4

3 0
2 years ago
  URGENT )If you drive your 1,000 kg car from sea level up to the mountain, which is 366 m above sea level, how much will you ha
Liono4ka [1.6K]

Answer:

(B) the increase in the car's potential energy is 3,660,000 J

Explanation:

Given;

mass of the car, m = 1,000 kg

height through the car was drove, h = 366 m

acceleration due to gravity, g = 10 m/s²

The increase in the car's potential energy is calculated as;

P.E = mgh

P.E = 1000 x 10 x 366

P.E = 3,660,000 J

Therefore, the increase in the car's potential energy is 3,660,000 J

4 0
3 years ago
When a circuit is arranged in parallel
attashe74 [19]

Answer:

A. There are multiple paths that electrons can take through the circuit, and it is possible for the electron to pass through one circuit component but not another.

Explanation:

Parallel arrangement of components in an electric circuit puts different parts of the circuit on different branches. In a parallel connection, there are multiple paths for the electrons to take, and it is possible for electrons to pass through on circuit component without going through another. This is the reason why If there is a break in one branch of the circuit, electrons can still flow in other branches, and the same reason why one bulb going off in your home does prevent the other components in your home from coming on (your home is wired in a parallel electric circuit).

5 0
3 years ago
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