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Tomtit [17]
3 years ago
7

When was the Federation Internationale de Football Association ( F.I.F.A) founded ?

Physics
1 answer:
Fantom [35]3 years ago
3 0

Answer:

c - May 21, 1904

Federation lnternational de Football Association was established on May 21, 1904

Explanation:

<h3>I hope it helps ❤❤</h3>
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In Part I, the independent variable, the one that is intentionally manipulated, is blank.
Feliz [49]

Answer: part 1 is mass and part 2 is density

Explanation: I just did it and got it right

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3 years ago
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For a person with a Near Point (NP) = 45 cm, what would be his prescription's lens power = _________ diopters A) 1.08 diopters
natita [175]

Answer:

The power of lens is 2.22 D.

Explanation:

Given that,

Distance of image v= 45 cm

We know that,

Distance of object u= ∞

Power of lens is the reciprocal of focal length.

P=\dfrac{1}{f}

We need to calculate the power of lens

Using formula of lens

\dfrac{1}{f}=\dfrac{1}{v}+\dfrac{1}{u}

Where, f = focal length

v = image distance

u = object distance

Put the value into the formula

\dfrac{1}{f}=\dfrac{1}{45}+\dfrac{1}{\infty}

\dfrac{1}{f}=\dfrac{1}{0.45}+0

P=\dfrac{1}{f}=2.22

Hence, The power of lens is 2.22 D.

7 0
3 years ago
Which form of energy is involved in weighing fruit on a spring scale?
ser-zykov [4K]
There are two types of energies that are taking place in the fruit is weighed in a spring scale. These are the gravitational potential energy and the elastic potential energy. The gravitational potential energy could be primarily attributed to the elevation of the fruit with respect to the ground.
3 0
4 years ago
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What is newton's second law<br>also give example​
neonofarm [45]

\textbf{Question:-}

What is newton's second law of motion?Also give example.

\textbf{Answer:-}

<u>Definition</u>:-

Newton's Second Law of motion states that the rate of change of momentum of an object is proportional to the applied unbalanced force in the direction of the force. ie., <u>F=ma</u>.

<u>Examples:-</u>

  • When you are kicking a ball, you are increasing the speed by applying force to it. Therefore,it accelerates.
  • If you use the same force to push a truck and push a car, the car will have more acceleration than the truck.

Derivation:-

For a body of mass 'm' , whose velocity changes from u to v in time t, when Force 'F' is applied.

=>Force∝Change in momentum/Time

=>F∝mv-mu/t

=>F∝m(v-u)/t

=>F∝ma

=>F=kma(a=v-u/t)

=>F=ma(Since k=constant=1)

8 0
3 years ago
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A squirrel pulls a 8.7 kg bag of acorns along the ground with a constant force of 80 N. If the force of friction opposing this s
Annette [7]

Answer:

a=5.51\ m/s^2

Explanation:

Given that,

The mass of a bag of acorns, m = 8.5 kg

The force acting on the bag = 80 N

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We need to find the acceleration of the bag of acorns.

Net force acting on it is = 80 N - 32 N

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Let a be the acceleration of the bag of acorns. So,

F = ma

a=\dfrac{F}{m}\\\\a=\dfrac{48}{8.7}\\\\a=5.51\ m/s^2

So, the acceleration of the bag of acorns is 5.51\ m/s^2.

5 0
3 years ago
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