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sukhopar [10]
3 years ago
8

..,.,........ ..... ... ....,. ...

Physics
1 answer:
pav-90 [236]3 years ago
3 0

Answer:

.. / .-.. --- ...- . / -.-- --- ..- (•o•) (translate it)

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A proton is released from rest at the positive plate of a parallelplatecapacitor. It crosses the capacitor and reaches the negat
Triss [41]

Answer:

2.1406 ×10^6 m/sec

Explanation:

we know that energy is always conserved

so from the law of energy conservation

qV=\frac{1}{2}mv^2

here V is the potential difference  

we know that mass of proton = 1.67×10^{-27} kg

we have given speed =50000m/sec

so potential difference V=\frac{\frac{1}{2}\times 1.67\times 10^{-27}50000^2}{1.6\times 10^{-19}}=13.045

now mass of electron =9.11×10^{-31}

so for electron

\frac{1}{2}\times 9.11\times 10^{-31}v^2=1.6\times 10^{-19}\times 13.045=2.1406\times 10^6 m/sec

so the velocity of electron will be 2.1406×10^6 m/sec

4 0
3 years ago
What is molecular force and gravitational force with their examples .​
Bumek [7]

Answer:

Gravitational force is the force of attraction on a body by earth. Example - Leaves and fruits fall from a tree downwards towards the ground due to the gravitational pull. ... T-shirt for is basically the force Of attraction On a body And this force of attraction on the body is by Earth.

Intermolecular forces act between molecules. ... Intermolecular forces are weaker than intramolecular forces. Examples of intermolecular forces include the London dispersion force, dipole-dipole interaction, ion-dipole interaction, and van der Waals forces.

Explanation:

8 0
3 years ago
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The crystals that form in slowly cooling magma are generally ____. a. nonexistent c. tiny b. invisible d. large
ki77a [65]
<span>The crystals that form in slowly cooling magma are generally large. </span>
7 0
3 years ago
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\There was a truck pulling a horse trailer. If the horse trailer weighted 150kg, went 250 miles, and the trucked used 20N to mak
mestny [16]

Answer:

a  = 0.13m/s²

Explanation:

Given parameters:

Weight of horse trailer  = 150kg

Distance covered  = 250miles

Force applied on trailer  = 20N

Unknown:

Acceleration of trailer = ?

Solution:

According to newton's second law of motion,"the acceleration of a body is directly proportional to the force on it and inversely proportional to the mass" .

          Mathematically;

                                    F  = m x a

 where f is the force

             m is the mass

               a is the acceleration

Input the parameters and solve;

                  20  = 150 x a

                      a  = 0.13m/s²

4 0
3 years ago
When forces acting on an object are __________, the object's motion is constant.
Ivanshal [37]
The correct answer Is B-balanced
7 0
3 years ago
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