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4 years ago

Suppose a single light bulb burns out. How do you think this will affect lights that are strung

Physics

2 answers:

Gnom [1K]4 years ago

7 0

The other lights wouldn't be affected?

:/

Step2247 [10]4 years ago

7 0

If all bulbs are on the same wire then the current will not pass through the wire further than the bulb this is also called a series circuit

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What process takes solid CO2 from a solid to a gas? A) boiling B) melting C) sublimation D) vaporization

frutty [35]

This process is D) vaporization. Hope this helps! :)

<h3>CloutAnswers</h3>

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4 years ago

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HELP ASAP Which statement describes the water particles when condensation takes place?

Vladimir [108]

The answer is going to be B

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3 years ago

A woman is sitting at a bus stop when an ambulance with a siren wailing at 317 Hz approaches at 69 miles per hour (mph). Assume

xxMikexx [17]

Answer:

a) 30.84m/s

b) 348.32Hz

c) 32.34m/s

d) 289.69Hz

Explanation:

a) If 1 mile=1609,34m, and 1 hour=3600 seconds, then 69mph=69*1609.34m/3600s=30.84m/s

b) Based on Doppler effect:

/*I will take as positive direction the vector $\vec r_{observer}-\vec r_{emiter}$ */

$f_{observed}=(\frac{v_{sound}-v_{observed}}{v_{sound}-v_{emited}})f_{emited}$

$f_{observed}=(\frac{343m/s-0m/s}{343m/s-30.84m/s})317Hz=348.32Hz$

c) $350Hz=(\frac{343m/s-0m/s}{343m/s-v_{ambulance}})317Hz, V_{ambulance}=343m/s-\frac{317Hz}{350Hz}.343m/s=32.34m/s$

d) $f_{observed}=(\frac{343m/s-0m/s}{343m/s+32.34m/s})317Hz=289.69Hz$

3 0

4 years ago

A 68 kg student runs up a flight of stairs that is 7 m high in 9 seconds. Calculate

NeTakaya

Power = Work/time
Work= energy
Potential energy =mxgxh
Power=mxgxh/t
Power=68x10x7/9
Power=529 watts

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4 years ago

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Find the volume of the irregular object a marble

Lostsunrise [7]

By using Displacement method we can find volume of irregular object like marble.

<h3>What is displacement method?</h3>

In displacement method,

First , we measuring the volume of water displaced by an object which tell us the volume of the object.

Secondly We can use the physical balance to determine its mass.

Lastly , calculate the density by dividing the mass by the volume.

Procedure to find the Volume of irregular object i.e. marble

step 1 - Fill the graduated cylinder about half full and measure the initial volume of water.

step 2 - Drop the marble in the graduated cylinder.

step 3 -Now measure the final level of water.

Step 4 - Subtract both the values.

Here , comes the Volume of Irregular Object.

For more volume related question visit here:

brainly.com/question/1578538

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2 years ago