2 years ago

Which of the following is a resistor?

Physics

2 answers:

Leno4ka [110]2 years ago

6 0

Answer:

im pretty sure about C

Explanation:

a switch acts a resistor that can be turned on and off

Also it's the same for Automotive purposes

Angelina_Jolie [31]2 years ago

3 0

The answer is a switch. neither a fan or battery are a resistor

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A 800 kg safe is 2.1 m above a heavy-duty spring when the rope holding the safe breaks. The safe hits the spring and compresses

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Answer:

k = 17043.5 N/m = 17.04 KN/m

Explanation:

First we need to find the force applied by safe pn the spring:

F = Weight of Safe

F = mg

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m = mass of safe = 800 kg

g = 9.8 m/s²

Therefore,

F = (800 kg)(9.8 m/s²)

F = 7840 N

Now, using Hooke's Law:

F = kΔx

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Δx = compression = 46 cm = 0.46 m

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Mercury is in the 80th position in the periodic table. How many protons does it have?

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The joule (J) is a unit of energy. Recall that energy may be converted between many different forms such as mechanical energy, t

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Complete Question

The complete question is shown on the first uploaded image

Answer:

The workdone is $W = -177.275J$

Explanation:

From the question we are told that

The initial Volume is $Vi = 0.160 L$

The final volume is $V_f = 0.510L$

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Generally the change in volume is

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Therefore $W = -1.75* 101.3$

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