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3 years ago

What is the meaning of overall charge.

1 answer:

8 0

Suppose you have a box that is a cubic meter. It is made of copper. It is solid. It has 1000000 extra electrons. It has an overall charge of 1000000 electrons that are spread all over it's volume.

It means the excess or deficiency of the number of electrons on a body capable taking on or giving up electrons. When the electrons are taken on or given up, there is no chemical change.

I usually try and answer this kind of question by an example because I don't think the definition is always clear on it's own.

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A force of 350N is applied to a body. If the work done is 40kJ, what is the distance through which the body moved?

Studentka2010 [4]

The distance covered by the body is 114.3 m

Explanation:

The work done by a force exerted on an object is given by

$W=Fd cos \theta$

where

F is the magnitude of the force

d is the displacement of the object

$\theta$ is the angle between the direction of the force and of the displacement

For the object in this problem, we have

F = 350 N is the force applied

$W=40 kJ = 40,000 J$ is the work done

$\theta=0^{\circ}$ if we assume that the force is applied parallel to the motion of the object

Solving for d, we find the distance covered by the object:

$d=\frac{W}{F cos \theta}=\frac{40,000}{(350)(cos 0)}=114.3 m$

Learn more about work:

brainly.com/question/6763771

brainly.com/question/6443626

#LearnwithBrainly

7 0

2 years ago

i got the right answer for this question (pretty sure i guessed or just asked me teacher the answer?) but can someone explain ho

loris [4]

A guessing answer the best answer but you have had to subtract the answer by the equation that it was giving u

6 0

3 years ago

Read 2 more answers

The cheetah can maintain its maximum speed for only 7.5 s. What is the minimum distance the gazelle must be ahead of the cheetah

amm1812

Basically the cheetah is running 31.5km/h faster than the gazelle. So to determone how long it will take to cover 9mm at that speed, you have to a lot of work. If you skip all of that work, the answer is 1.60m seconds

6 0

3 years ago

An object, initially at rest, is subject to an acceleration of 34 m/s2. How long will it take for that

SIZIF [17.4K]

Answer:

If it is moving 34 m/s it will take 100 seconds, or 1:40 to reach 3400 meters.

Explanation:

I found this answer by dividing 3400 by 34 and converting seconds to minutes

6 0

3 years ago

Read 2 more answers

Which temperature scale has no negative temperatures A. Celsius B. Joule C. Fahrenheit D. Kelvin