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4 years ago

Suppose the electrostatic force between two electrons is F. What is the electrostatic force between an electron and a proton

Physics

1 answer:

mars1129 [50]4 years ago

8 0

Answer:

D. −F

Explanation:

the rest of the answers are

2/3F

The force is represented as a positive quantity and is repulsive.

Electrostatic force is inversely proportional to the square of the distance.

The direction of the force changes, and the magnitude of the force quadruples.

hope this helps sorry if i was too late! :)

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Two small, identical conducting spheres repel each other with a force of 0.045 N when they are 0.15 m apart. After a conducting

Levart [38]

Answer:

$q_1 = \pm 1.68 \times 10^{-7} C$

$q_2 = \pm 6.68 \times 10^{-7} C$

Explanation:

As we know that the force between two small spheres is given as

$F = \frac{kq_1q_2}{r^2}$

here we know that

$q_1 , q_2$ = charges on two small spheres

r = distance between two spheres = 0.15 m

now the force between them is given as

$0.045 = \frac{(9\times 10^9)(q_1q_2)}{0.15^2}$

$q_1q_2 = 1.125 \times 10^{-13}$

now when two spheres are connected together then the charge on them is equally divided

$q = \frac{q_1+q_2}{2}$

now the force between them is given as

$F = \frac{k(\frac{q_1+q_2}{2})^2}{0.15^2}$

$0.070 = \frac{(9\times 10^9)(\frac{q_1+q_2}{2})^2}{0.15^2}$

$q_1 + q_2 = 8.37\times 10^{-7}$

so here we have

$q_1 = \pm 1.68 \times 10^{-7} C$

$q_2 = \pm 6.68 \times 10^{-7} C$

5 0

3 years ago

Nio conducts a science experiment. He puts yeast into a bottle with water and sugar, and then caps the bottle with a balloon. He

KATRIN_1 [288]

Answer: Option (C) is the correct answer.

Explanation:

When yeast is added into a bottle with water and sugar then after some time yeast becomes activated. This results in the formation of a chemical change as bubbles are formed on the surface of the mixture in the bottle.

This indicates that a gas has been released due to the chemical change.

Thus, we can conclude that most likely a chemical change has occurred because a gas was produced.

3 0

4 years ago

Read 2 more answers

How does the movement of particles of matter change when matter goes from solid to liquid?

icang [17]

Solid to liquid: molecules spread out to have their own spaces and move energetic and lively.

5 0

4 years ago

What is the definition of gravitation potential energy?

ioda

Gravitational potential energy is energy an object possesses because of its position in a gravitational field. The most common use of gravitational potential energy is for an object near the surface of the Earth where the gravitational acceleration can be assumed to be constant at about 9.8 m/s2.

7 0

4 years ago

Chris and Jamie are carrying Wayne on a horizontal stretcher. The uniform stretcher is 2.00 m long and weighs 100 N. Wayne weigh

BabaBlast [244]

Answer:

Explanation:

step one:

given

length of stretcher= 2m

weight of stretcher=100N

Wayne weighs =800N

distance of Wayne weighs from chris's end= 75cm= 0.75m

The force that Chris is exerting to support the stretcher, with Wayne on it, can be computed by taking moments of the weight of the stretcher and Wayne weighs about Chris's end, the end result is the reaction at Chris's end

Taking moment about Chris's end

The moment of Wayne weight 75cm from Chris+ Half the weight of stretcher 1m from Chris

0.75*800+50*1=0

600+50=0

650N

6 0

3 years ago