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notsponge [240]
4 years ago
5

Does voltage flow in a circuit? Explain

Physics
1 answer:
alekssr [168]4 years ago
5 0

Answer:

Voltage is the measure of specific potential energy (potential energy per unit charge) between two locations. ... When a voltage source is connected to a circuit, the voltage will cause a uniform flow of charge carriers through that circuit called a current.

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How are different types of radiation arranged along the electromagnetic spectrum
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3 years ago
Your friend comes across a good deal to purchase a gold ring. She asks you for advice and for you to test the ring. The ring has
Luden [163]

Answer:

She is not getting a good deal.

Explanation:

The equation that relates heat with mass, specific heat and temperature change of an object is Q=mc\Delta T.

Always convert temperature to Kelvin, although in our case it's not necessary because the \Delta T will be the same, and we will leave the mass in grams because we will be getting J/g^{\circ}C units for specific heat, which we can compare to the one given for gold.

We then calculate the specific heat of the object in question:

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5 0
3 years ago
Two workers are sliding 290 kg crate across the floor. One worker pushes forward on the crate with a force of 430 N while the ot
frozen [14]

Answer:

0.285

Explanation:

Given two forces of different magnitude, it is important to note that the product of normal force and coefficient of kinetic friction should be equal to the sum of these two forces at equilibrium. Therefore, this can be Mathematically expressed as:

N/\mu_k=F_1+F_2\\\\

where N is normal force,\mu is coefficient of static friction, F is force and subscripts 1 and 2 represent larger and smaller magnitude forces respectively.  Making \mu the subject of the formula then

\mu_k=\frac{F_1+F_2}{N}

Since normal force N is also given by mg where m is mass of object and g is acceleration due to gravity then substituting N with mg we obtain that

\mu_k=\frac{F_1+F_2}{mg}  and substituting the figures given in the question, taking g as 9.81 we obtain that

\mu_k=\frac { 430 N+380 N}{290\times 9.81}=0.285

Hence,the coefficient of kinetic energy is 0.285 as calculated

4 0
4 years ago
LOOK AT THE PICTURES 2!
Nadusha1986 [10]
E = 0.5mv^2 = 0.5*44*10^2 = 2200J
5 0
4 years ago
Read 2 more answers
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