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bekas [8.4K]
4 years ago
14

Brainliest?

Physics
2 answers:
sineoko [7]4 years ago
8 0

Answer:

Gravity is dependent on mass and strong nuclear force is not.

Explanation:

The force of gravity is the weakest force of all the four fundamental forces. So, statement 1 is not correct.

Gravitational force has infinite range. It is the force that exists between two objects. So, statement 2 is not correct.

Statement 3 is also not correct because the gravitational force depend on the mass. Strong nuclear force act on charged particles.

The force of gravity acting between two objects is given by :

F=\dfrac{Gm_1m_2}{r^2}

It is clear that gravity is dependent on mass. So, the correct option is (d).

Tpy6a [65]4 years ago
5 0

The answer is D) Gravity is dependent on mass and strong nuclear force is not.

pls mark me brainliest

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If you hit another object with your vehicle, your _______ will be slowed or stopped by the force of impact caused by that object
BaLLatris [955]

Answer:

Speed

Explanation:

If a vehicle hit any other object then its speed will slow down or some time the vehicle will stop its depends on the force exerted by other object on the vehicle.

The change in speed of vehicle is due to momentum because momentum is always conserved. So to conserve the momentum the speed of the vehicle decreases because after hitting the overall mass is increases.

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3 years ago
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A toy of mass 0.155 kg is undergoing simple harmonic motion (SHM) on the end of a horizontal spring with force constant 305 N/m
zzz [600]

Answer:

310.38\times 10^{-4}j

Explanation:

We have given mass m=0.155 kg

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Distance X=1.25\times 10^{-2}m

Velocity v=.305 m/sec

The total energy at any position of the motion is give by E=\frac{1}{2}mv^2+KX^2  here \frac{1}{2}mv^2 is energy due to motion and KX^2  is energy due to spring elongation

So total energy E=\frac{1}{2}\times 0.155\times 0.305^2+305\times 0.0125^2=310.38\times 10^{-4}j

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3 years ago
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HOLA, NECESITO AYUDA!
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The electrostatic force between the two ions is 2.9\cdot 10^{-10} N

Explanation:

The electrostatic force between two charged particle is given by Coulomb's law:

F=k\frac{q_1 q_2}{r^2}

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k=8.99\cdot 10^9 Nm^{-2}C^{-2} is the Coulomb's constant

q_1, q_2 are the two charges

r is the separation between the two charges

In this problem, the ion of sodium has a charge of

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while the ion of chlorine has a charge of

q_2 = -e = -1.6\cdot 10^{-19}C

And the distance between the two ions is

r=282 pm = 282\cdot 10^{-12} m

Substituting, we find the electrostatic force between the two ions:

F=(8.99\cdot 10^9) \frac{(1.6\cdot 10^{-19})(-1.6\cdot 10^{-19})}{(282\cdot 10^{-12})^2}=-2.9\cdot 10^{-10} N

where the negative sign simply means that the force is attractive, since the two ions have opposite charge.

Learn more about electrostatic force:

brainly.com/question/8960054

brainly.com/question/4273177

#LearnwithBrainly

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