3 years ago

What happens in this circuit if one of the light bulbs burns out?

Chemistry

1 answer:

bulgar [2K]3 years ago

4 0

4.The other light bulb will stay on and glow brightly.

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Which of the following statements is incorrect:

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The phenomenon is known as the Greenhouse Effect.

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Two pipes with 1 meter diameters join to become one pipe with 2 meter diameter. Water was flowing in first pipe at 500 kg/s and

zloy xaker [14]

Answer:

The mass flow rate at the exit of the 2 meter diameter pipe is 1442 kg/s

Explanation:

If the oil is flowing in the 1m diameter pipe at 0.8 m/s, we can calculate the flow as

$Q=\bar{v}*A=\bar{v}*(\pi/4*D^{2} )=0.8m/s*0.785m^{2} =0.628m^{3}/s$

The mass flow is

$M=\rho*Q=1500 kg/m3*0.628m3/s=942kg/s$

The mass flow rate at the exit of the 2 meter diameter pipe is

$M=M_w+M_o=500 kg/s+942kg/s=1442kg/s$

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3 years ago

Is the cyanide ion a strong or weak base?

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It's a weak base bacause H C N is weak

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3 years ago

Negative feedback loops:

velikii [3]

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the 3rd option. negative feedback loops are initiated during childbirth.

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