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MaRussiya [10]
3 years ago
9

What is electrostatic repulsion?

Physics
2 answers:
Anton [14]3 years ago
8 0
Electrostatic repulsion is the force between two charges having the same sign, that tends to separate them further. The force is proportional to the product of the charges, and inversely proportional to the square of the distance between them.
DIA [1.3K]3 years ago
8 0
Electrostatic repulsion is when 2 like charges repel each other.  Simple as that!
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Mashutka [201]
The velocity will be 11 m/s
6 0
3 years ago
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A uniform ladder 5.0 m long rests against a frictionless, vertical wall with its lower end 3.0 m from the wall. The ladder weigh
dem82 [27]

Answer:

Explanation:

a )

Reaction force of the ground

R = mg

= 160 N

Maximum friction force possible

= μ x R

= μ x 160

= .4 x 160

= 64 N .

b )

 160 N will act at middle point . 740N will act at distance of 3 / 5 m from the wall ,

Taking moment about top point of ladder

160 x 1.5 + 740 x 3/5 + f x 4 = 900 x 3

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f = 504 N

c )

Let x be the required distance.  

Taking moment about top point of ladder

160 x 1.5 + 740 x 3 x / 5 + .4 x 900 x 4  = 900 x 3  ( .4 x 900 is the maximum friction possible )

240 + 444 x + 1440  = 2700

x = 2.3  m

so man can go upto 2.3 at which maximum friction acts .

8 0
3 years ago
two forces equal in magnitude and opposite in direction act at the same point on an object. is it possible for there to be a net
elena55 [62]

If the forces are equal, at a distance equidistant it is not possible to act a pair on the body since both torques cancel each other. Being of the same magnitude and in the opposite direction, the sum of the torques will be zero.

5 0
3 years ago
1.A heater supplies 500kj (500,000J) over 10 minutes.
ohaa [14]
Umm... I think I saw this question somewhere else answered.... You should look for it.
4 0
3 years ago
Because of inertia, it will be ____ to stop a larger object than a smaller object if they are both moving at the same speed.
strojnjashka [21]

Answer:

harder

heavier objects resist change more than lighter objects.

8 0
3 years ago
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