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3 years ago

What are six reasons for having goals

Physics

1 answer:

ohaa [14]3 years ago

3 0

Answer:

Without a goal, your efforts can become disjointed and often confusing

Helps you measure progress

Helps you stay motivated

Helps you beat procrastination

You Achieve More

Helps you determine what is important

Explanation:

Hope this helps!!!!!!!!!!!

Forever friend and helper,

Cammie:)

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A charge of +1 coulomb is place at the 0 cm mark of a meter stick. A charge of +4 coulombs is placed at the 100 cm mark of the s

UkoKoshka [18]

As per the question the charge of one coulomb is at 0 cm of the metre stick.the second charge of 4 coulomb is situated at at 100 cm of metre stick.

hence the separation distance between them is 100 cm.

now as per the question a proton is set up between them in such a way that the net force on it is zero

let the charge of proton is q coulomb let the proton is situated at distance of x cm from the charge 1 coulomb.hence it is situated at a distance of 100-x cm from the charge 4 coulomb.

the force exerted by 1 coulomb on proton is- $\frac{1}{4\pi\epsilon} \frac{1*q}{x^2}$

the force exerted by 4 coulomb on proton is- $\frac{1}{4\pi\epsilon} \frac{q*4}{[100-x]^2}$

as the net force is zero,hence-

$\frac{1}{4\pi\epsilon} \frac{1*q}{x^2}$ $=\frac{1}{4\pi\epsilon} \frac{4*q}{[100-x]^2}$

$=\frac{1}{x^2} =\frac{4}{[100-x]^2}$

$x^2=\frac{[100-x[^2}{4}[/tex[tex]x=\frac{100-x}{2}$

$3x=100$

$x=\frac{100}{3}$

$=33.33333$ cm [ans]

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3 years ago

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A jetliner is moving at a speed of 245m/s. The vertical component of the plane's velocity is 40.6 m/s. Determine the magnitude o

Harman [31]

Answer:

Horizontal component of velocity = 241.61 m/s

Explanation:

Given that,

Velocity of a jetliner is 245 m/s

The vertical component of the plane's velocity is 40.6 m/s, $v_y=40.6\ m/s$

We need to find the magnitude of the horizontal component of the plane velocity.

The resultant velocity is given by :

$v=\sqrt{v_x^2+v_y^2}$

Where, $v_x$ is the horizontal component of the plane velocity

$v^2=v_x^2+v_y^2\\\\v_x^2=v^2-v_y^2\\\\v_x^2=(245)^2-(40.6)^2\\\\v_x=\sqrt{58376.64}\\\\v_x=241.61\ m/s$

So, the magnitude of the horizontal component of the plane velocity is 241.61 m/s.

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3 years ago

At very close range, which of these forces is stronger than the gravitational force a.) electric only, b.) magnetic only c.) ele

zhenek [66]

Answer: (c) electric and magnetic

Explanation: Gravitational force is the weakest force considering short distances, relative to all other types of forces. However, it is strongest when considering large distances (such as astronomic scales).

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4 years ago

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3 years ago

When determining the net force given a force of 12 N and a force of 7 N, what would these forces be called?

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Answer:Resultant force

Explanation:

The net given force is known as the resultant force. The resultant force is the single force that acts in place of other forces combined together.

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