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goldenfox [79]
2 years ago
11

Why is it easier to open a door by holding it from it's edge​

Physics
1 answer:
Crazy boy [7]2 years ago
3 0

Answer:

leverage

Explanation:

Leverage ...this allows you to use less force through a longer distance

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You move a 25 N object 5 meters. If it takes 8 s how much power did you do?
klasskru [66]

Answer:

15.625 watts

Explanation:

Recall that power is defined as the worked performed per unit of time:

Power = Work / time

The work done is Force * distance, so in our case the work is:

Work = 25 M * 5 m = 125 J

Then the power will be:

Power = 125 J / 8 sec = 15.625 watts

6 0
3 years ago
You want the current amplitude through a inductor with an inductance of 4.70 mH (part of the circuitry for a radio receiver) to
goldenfox [79]

Answer:

f = 1.69*10^5 Hz

Explanation:

In order to calculate the frequency of the sinusoidal voltage, you use the following formula:

V_L=\omega iL=2\pi f i L         (1)

V_L: voltage = 12.0V

i: current  = 2.40mA = 2.40*10^-3 A

L: inductance = 4.70mH = 4.70*10^-3 H

f: frequency = ?

you solve the equation (1) for f and replace the values of the other parameters:

f=\frac{V_L}{2\pi iL}=\frac{12.0V}{2\pi (2.4*10^{-3}A)(4.70*10^{-3}H)}=1.69*10^5Hz      

The frequency of the sinusoidal voltage is f

3 0
3 years ago
Comparativo entre a máquina a vapor de Neu carmen e James Watt!
Bas_tet [7]

Answer:

jame watt

Explanation:

James Watt tiña máis importancia que outro home

3 0
3 years ago
When we study the earth and its people, we are studying ___________________. a) desalination b) geography c) irrigation d) absol
Fofino [41]
Geography Earth studying
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3 years ago
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What do you mean by Aquatic habitat? Give 2 examples of Desert habitat
Brilliant_brown [7]

Answer:

hope this answer will help you

plzzzz mark me as brainliest

follow me

and what do u think about indians

8 0
4 years ago
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