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4 years ago

You have 13.0 gallons of gasoline. How many liters is this? (1 gallon equals about 3.79 L.)

Physics

2 answers:

Harlamova29_29 [7]4 years ago

8 0

Answer:

I believe the answer is C

Explanation:

Lunna [17]4 years ago

7 0

For this case we must make a conversion, we have as data that:

1 gallon is equivalent to 3.79 liters

By making a rule of three we have:

1 gallon ------------> 3.79 L

13 gallons --------> x

Where "x" represents the equivalent in liters:

$x = \frac {13 * 3.79} {1}\\x = 49.27$

So, we have 49.27 liters of gasoline.

Answer:

Option C

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The lowest-pitch tone to resonate in a pipe of length l that is closed at one end and open at the other end is 200 hz. Which fre

Natali [406]

Answer:

The frequency 400 hz is not possible .

Explanation:

Given that,

Frequency = 200 hz

Length = l

Suppose, The given frequencies are,

600 Hz, 1000 Hz, 1400 Hz, 1800 Hz and 400 hz.

The possible resonance frequencies are

We need to calculate the fundamental frequency

Using formula of fundamental frequency for pipe

$F=\dfrac{nv}{4L}$

Where, n = odd number

Put the value of frequency

$200= \dfrac{nv}{4L}$

We need to calculate the first over tone

Using formula of fundamental frequency

n = 3,

$F=\dfrac{nv}{4L}$

Put the value into the formula

$F_{2}=3\times\dfrac{v}{4l}$

$F_{2}=3\times200$

$F_{2}=600\ Hz$

We need to calculate the second over tone

Using formula of fundamental frequency

n = 5,

$F=\dfrac{nv}{4L}$

Put the value into the formula

$F_{3}=5\times200$

$F_{3}=1000\ Hz$

We need to calculate the third over tone

Using formula of fundamental frequency

n = 7,

$F=\dfrac{nv}{4L}$

Put the value into the formula

$F_{4}=7\times200$

$F_{4}=1400\ Hz$

We need to calculate the fourth over tone

Using formula of fundamental frequency

n = 9,

$F=\dfrac{nv}{4L}$

Put the value into the formula

$F_{5}=9\times200$

$F_{5}=1800\ Hz$

Hence, The frequency 400 hz is not possible .

8 0

3 years ago

if u connect 3 resistors, having values 2ohm, 3ohm, 5ohm in parallel, will the value of total resistance of will be 2ohm or grea

Tju [1.3M]

<span>If u want only WHether the total resistance is less than 2 or less than 5 or more than 5 ohms: there is a Simple way.

When you connect resistances in parallel, resultant resistance is always smaller than all of them. So it is less than 2 ohms</span>.

4 0

4 years ago

Read 2 more answers

If the potential difference across the filament is 120 V, what is the strength of the electric field inside the filament

sineoko [7]

Answer:

200 N/C

Explanation:

Given that the length of a 60 W, 240 & Omega light bulb filament is 60 cm. If the potential difference across the filament is 120 V, what is the strength of the electric field inside the filament?

The parameters needed from the question are:

Potential difference V = 120v

Distance ( Length) = 60 cm

Convert cm to m by dividing it by 100

Distance = 60/100

Distance = 0.6 m

The formula for electric field strength E is:

E = V/d

Where

V = potential difference

d = distance

Substitute those parameters in the formula