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Lynna [10]
4 years ago
15

A simple electrochemical cell contains two electrodes? T or F

Physics
2 answers:
likoan [24]4 years ago
7 0

Answer:

True.

Explanation:

A simple electrochemical cell e.g the 1.5 volts galvanic cell has one negative and  one positive electrodes.

Leno4ka [110]4 years ago
3 0

True. An electrolytic cell has three component parts: an electrolyte and two electrodes (a cathode and an anode)

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The answer is A) Rarefaction. Have a good day :)
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Which activities are you always doing when you have a warm-up activity?​
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A jog because it helps to get the muscles moving and your heart pumping blood around your body.

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(c) Nail tips exert tremendous pressures when they are hit by hammers because they exert a large force over a small area. What f
ziro4ka [17]

Answer:

Force, F = 2356.19 N

Explanation:

Given that,

Diameter of the circular tip, d = 1 mm = 0.001 m

Its radius, r = 0.0005 m

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Force exerted on the nail.

Solution,

The pressure exerted by an object is equal to the force acting per unit area. Its formula is given by :

P=\dfrac{F}{A}

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F = 2356.19 N

Therefore, the force exerted on the nail is 2356.19 N.

6 0
3 years ago
Ashley is flying a plane that has to reach a gradient of 360m/km in order to take off and not crash. Her goal is to travel from
KengaRu [80]

Answer:

She is likely to crash because her flight gradient is lesser than the flight gradient required gradient to avoid crashing

Explanation:

The given parameters are;

The required gradient of the plane Ashley is flying needs to reach in order to take off and not crash = 360 m/km

The initial elevation of the plane Ashley is flying = Sea level = 0 m

The goal Ashley intends to make = Elevation of 1000 m at 2.8 km. distance

∴ Ashley's goal = Traveling from sea level to 1000 m at 2.8 km horizontal distance

We have;

The gradient  = Rate of change of elevation/(Horizontal distance)

Therefore;

The gradient of Ashley's flight = (1000 - 0)/(2.8 - 0) = 357.143 m/km

The gradient of Ashley's flight ≈ 357.143 m/km which is lesser than the required 360 m/km in order to take off and not crash, therefore, she will crash.

6 0
3 years ago
50 Joules of work in 25 seconds. How much power did she use?
Lorico [155]

P(W) = E(J) / t(s)

50/25=2

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