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KengaRu [80]
3 years ago
11

2. An electron and a proton are separated by 5 cm:

Physics
1 answer:
Diano4ka-milaya [45]3 years ago
7 0

Answer:

a) the charge of an electron is equivalent to the magnitude of the elementary charge but barring a negative sign since the side of the elementary charge is roughly 1.602 * 10 - 19 Columbus then the charge of the electronic is-1.602 * 10 - 19

b) b=2T on the electron moving in the magnetic field

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What is "In an isolated system two cars, each with a mass of 2,000 kg, collide. Car 1 is initially at rest , while car 2 was mov
yaroslaw [1]

Answer:

Final velocity of the combining cars = 10m/s

combined momentum = 40000kgm/s

Explanation:

Given the following :

Mass of both colliding cars = 2000kg

Initial Velocity of car 1 (U1) = 0

Initial Velocity of car 2 (U2) = 20m/s

Combuned momentum after collision =?

This is an inelastic collision which is calculated thus :

M1U1 + M2U2 = M1V + M2V

M1U1 + M2U2 = (M1 + M2) V

Where V = "final Velocity of the colliding bodies

2000 × 0 + 2000 × 20 = (2000 + 2000) V

0 + 40000 = 4000V

V = 40000 / 4000

V = 10m/s

Therefore combined momentum = (M1 + M2) V

(2000 + 2000) 10

4000(10) = 40000kgm/s

4 0
3 years ago
When holes are drilled through the wall of a water tower, water will spurt out the greatest horozontal distance from the hole cl
Mnenie [13.5K]

Bottom of the water tower

Explanation:

When holes are drilled through the wall of a water tower, water will spurt out the greatest horizontal distance from the hole closest to the bottom of the water tower.

This is because the near the bottom of the tower is the greatest compared to other parts of the tower.

  • The pressure increases with depth.
  • As the depth of water increases, the column of water above exerts more pressure on the one below.
  • Therefore, water will spurt out more from the bottom of the tower compared to the top of the tower.

Learn more:

Pressure brainly.com/question/4868239

#learnwithBrainly

3 0
3 years ago
Why does salt dissolve in water act as an antifreeze?
aalyn [17]

Answer:

A

Explanation:

An antifreeze is a substance which when added to a liquid reduces the freezing point of the liquid. Hence the solution can only freeze at a lower temperature compared to the solvent. Examples of antifreeze includes salt and propylene glycol. Antifreeze are used in low temperature environments to prevent water from freezing quicky. Hence the answer is A.

Have a great day Aylabailey4930

8 0
3 years ago
Read 2 more answers
Ethan and Rebecca are riding on a merry-go-round. Ethan rides on a horse at the outer rim of the circlar platform, twice as far
xz_007 [3.2K]

Answer:

Ethan's tangential speed is twice as Rebecca's.

Explanation:

Let r be the distance from the center of the platform to Rebecca's horse, v_R Rebecca's tangential speed, v_E the Ethan's tangential speed and \omega the merry-go-round angular speed. The distance from the center of the platform to Ethan's horse is 2r. The angular speed is related to the tangential speed by the equation:

\omega =\frac{v}{R}

Since the angular speed is the same for Ethan and Rebecca, we have that:

\frac{v_E}{2r}=\frac{v_R}{r}

Now, solving for v_E we get:

v_E=2v_R

It means that Ethan's tangential speed is twice as Rebecca's.

3 0
3 years ago
Two advantages of solar energy over energy from Fossil fuels​
Law Incorporation [45]

Answer:

1)Fuel Sourcing

2)Power Generation

Explanation:

1)Fuel Sourcing : Fossil fuels must be located, excavated and transported before they can be used. These processes are invasive and detrimental to the land through side effects such as erosion as well as ecological and geologic instability. Then the deposit or well is depleted. Energy from the sun is infinite and free. It can be harnessed and turned into power anywhere a solar panel can be mounted.

2)Power Generation: Fossil fuels must be burned to produce electricity. Burning them creates unwanted byproducts that can create air and water pollution and release huge amounts of greenhouse gasses into the atmosphere.

3 0
3 years ago
Read 2 more answers
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