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3 years ago

7

A bulb is added to a circuit. When you place your hand near the bulb, it feels warm. The bulb in the circuit would most accurate

ly identified as a..
A) conductor
B) load
C) energy source
D) insulator

2 answers:

alex41 [277]3 years ago

8 0

Answer:

C energy source

Explanation:

I got this right

Anon25 [30]3 years ago

7 0

Answer:

c

Explanation:

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Some gas molecules move at speeds of 542 meters per second. How fast is this in miles per hour? 542 =? 1h Solve by dimensional a

artcher [175]

Answer:

$1212.42\ \text{mph}$

Explanation:

We need to convert $542\ \text{m/s}$ to $\text{miles/hour}$

$1\ \text{mile}=5280\ \text{ft}$

$1\ \text{ft}=12\ \text{inches}$

$5280\ \text{ft}=5280\times 12=63360\ \text{inches}$

$1\ \text{inch}=2.54\ \text{cm}=0.0254\ \text{m}$

$63360\ \text{inches}=63360\times 0.0254=1609.344\ \text{m}$

So

$1\ \text{mile}=1609.344\ \text{m}\\\Rightarrow 1\ \text{m}=\dfrac{1}{1609.34}\ \text{miles}$

$1\ \text{hour}=60\times 60\ \text{seconds}\\\Rightarrow 1\ \text{s}=\dfrac{1}{3600}\ \text{hour}$

$542\ \text{m/s}=\dfrac{\dfrac{542}{1609.34}}{\dfrac{1}{3600}}=1212.42\ \text{mph}$

The speed of the gas molecules is $1212.42\ \text{mph}$ .

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