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DanielleElmas [232]
3 years ago
8

If two negative charges of -2 C and -2 C are put 32,692 m apart from each other how much force will push them apart?

Physics
1 answer:
babunello [35]3 years ago
6 0

Answer:

33.65 N

Explanation:

Force that will push them away is given from the equation;

F = Kq1•q2/r²

Where;

K is coulumbs constant = 8.99 × 10^(9) Nm²/C²

We are given;

q1 = q2 = -2 C

r = 32692 m

Thus;

F = 8.99 × 10^(9) × (-2) × (-2)/32692²

F ≈ 33.65 N

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If the average pitcher is releasing the ball from a height of 1.8 m above the ground, and the pitcher's mound is 0.2 m higher th
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Answer: A. 2.0m above ground

Explanation:

Height of the pitcher from the floor of his mound = 1.8m

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Since the height difference between the mound and the ground the catcher stands on = 0.2m and the pitcher throws the ball horizontally, then the catcher has to hold his glove at (1.8 + 0.2)m

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= 2.0m above ground (option A)

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A rope exerts a 35N force on an object at an angle of 12N degrees above the horizontal. What horizontal and vertical components
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Answer:

The horizontal component of the force, F_x= 34.24 \ N

The  vertical component of the force, F_y=7.28 \ N

Explanation:

Given;

Force on the rope, F = 35 N

angle between the rope and the horizontal = 12 °

The horizontal component of the force is given by;

F_x = Fcos \theta\\\\F_x = 35cos(12^0)\\\\F_x = 34.24 \ N

The vertical component of the force is given by;

F_y = Fsin\theta\\\\F_y = 35sin(12^0)\\\\F_y = 7.28 \ N

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2 years ago
If a particle experiences a non-zero net force the motion of the particle will be altered; that is..its velocity vector will cha
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Answer:

Newton's second law

Explanation:

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where

F is the net force on the particle

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This can also be rewritten as

a=\frac{F}{m}

which means that the acceleration is directly proportional to the force and inversely proportional to the mass. If the net force is non-zero, it means that the particle has a non-zero acceleration, therefore its velocity is changing (it can be changing either in magnitude, if the force has same direction as the velocity, or also in direction, if the force has a different direction).

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