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olasank [31]
3 years ago
8

Which example best describes mechanical advantage?. A) A fixed pulley changes the direction that you pull. B) Greasing a surface

reduces friction. C) A longer lever helps lift more weight.
Physics
2 answers:
Jet001 [13]3 years ago
4 0
Needed to be pointed out that mechanical advantage is when the distance traveled is traded for force applied

from the following options, the one that is considered a mechanical advantage is : C. a longer lever helps lift more weight

hope this helps
34kurt3 years ago
4 0
It is c for futher palto users

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Wendy makes a graphic organizer to help herself apply Ohm’s law to electric circuits.
Arte-miy333 [17]

There simple rules for series and parallel circuits.
For the series circuits we have the following rules:
1)The same current flows through each part of a series circuit.(<span>I = I1 = I2 = I3)
2)</span>The total resistance of a series circuit is equal to the sum of individual resistances.(<span>Req = R1 + R2 + R3)
3)The</span> voltage applied to a series circuit is equal to the sum of the individual voltage drops.(<span>V = V1 + V2 + V3)
</span>For the parallel circuits we have the following rules:
1)Voltage is the same across each component of the parallel circuit.(<span>: V = V1 = V2 = V3)
</span>2)The sum of the currents through each path is equal to the total current that flows from the source.(<span> I = I1 + I2 + I3)
3)The total resistance is equal to the sum of the reciprocal value of individual resistors in the circuit.
The x region represents the series circuit. The y region represents a combination of series and parallel circuit. This means that for y region we can apply laws for both series and parallel circuits. 
So, all the equation can be applied to the y region.
However, not all equation can be applied to the x region. We can apply following equation to the x region:
1)</span><span>I = I1 = I2 = I3
</span>2)<span> V = V1 + V2 + V3
3)</span><span>Req = R1 + R2 + R3</span>
4 0
4 years ago
Read 2 more answers
The partition coefficient K in a gas chromatographic experiment can be described by: Cm Cs K = where "Cs" and "Cm" refer to the
Amiraneli [1.4K]

Explanation:

K in chromatography is defined as a partition coefficient. It is an equilibrium constant that determines the measure to which the solutes partition between  two phases.

K = Cm/Cs

where Cm is solute concentration in mobile phase

          Cs is solute concentration in stationary phase

When K is more, then it implies that the solute concentration in the mobile phase is more in chromatography test.

4 0
3 years ago
Is it ever possible for the domain and range in a function to have different numbers of entries
kifflom [539]

What do you mean??

Of-course, they have different number of values but range has to be in rules of function, it can't deviate from that

5 0
3 years ago
2 Points
zhuklara [117]

Answer:

D

Explanation:

the total speed and the total mass of the entire system remain the same weather one object is moving or stationary.

When two or more objects collide, the collision does not change the

total momentum of the two objects.

Whatever momentum is lost by one object in the collision is gained

by the other. The total momentum of the system is conserved.

5 0
4 years ago
Read 2 more answers
Find the resistance of an electric light bulb if a current of 0.08 A flows when the potential difference across the bulb is 120
lora16 [44]
U=RI Ohm's law
then R=U/I
=120/0.08
=2250Ω
hope this helps you
8 0
4 years ago
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