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ExtremeBDS [4]
3 years ago
9

All atoms of an element have the same ?

Physics
1 answer:
san4es73 [151]3 years ago
3 0

Answer:

protons

Explanation:

The number of protons in an element is a primary identifier known as its atomic number.

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How much work done if an object is moving to the right and a force of 75. 0n is applied at 125 degrees to the motion while the o
bogdanovich [222]

Answer:

-322.64 J

Explanation:

75 N  * cos 125     *    7.5   =  -322.64 J

4 0
2 years ago
A family is skating at an ice rink. The 58.2 kg mother is holding the
MariettaO [177]

Answer:

When I got this question I had to draw it out so if you have to do that, draw 3 stick figures holding hands, one representing the mother, father, and daughter. Then you write their weights on top of them and then draw an arrow pointing from the father to the mother.

Explanation:

use this formula :

a_{y} = \frac{Fdadshandy}{msys}

then you fill it in :

a_{y} = \frac{100N}{35.5kg+58.2kg}

a_{y} = \frac{100N}{93.7kg}

a_{y} = 1.0672 m/s^{2}

then you multiply that with the daughters weight :

T_{2} x= m_{2} a_{y}

T_{2} x = 35.5kg (1.0672 m/s^{2})

T_{2} x = 37.89N

and that's the answer :) : 37.89N

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3 years ago
Linear expansivity of steel
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Hope this helps!!
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3 years ago
Can someone give me an example or explanation of calculating energy from voltage? Many thanks!
antoniya [11.8K]
Expression to calculate energy from voltage: E= V*Q where E= energy, V= voltage, and Q= charge

Additional help:
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[ V = I x R ] V (volts) = I (amps) x R (Ω)

-To find the Current ( I )
[ I = V ÷ R ] I (amps) = V (volts) ÷ R (Ω)

-To find the Resistance ( R )
[ R = V ÷ I ] R (Ω) = V (volts) ÷ I (amps)

I hope that helps to some extent-
7 0
2 years ago
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