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vazorg [7]
3 years ago
6

1600 AM broadcasts radio waves with wavelengths of about 187.37 m. Convert this to miles.

Physics
1 answer:
nikklg [1K]3 years ago
7 0

Answer:

The wavelength in miles is <u>0.1165 miles</u>.

Explanation:

Given:

Wavelength of the radio wave is 187.37 m.

Now, the wavelength is given in meters.

We need to convert the wavelength from meters to miles.

In order to convert meters to miles, we have to use their conversion factor.

We know that,

1 meter = \frac{1}{1609}\ miles

Therefore, the conversion factor is given as:

CF=\frac{1}{1609}\ miles\ per\ meter

So, the wavelength in miles is given as:

Wavelength=\textrm{Wavelength in meters}\times CF\\\\Wavelength=187.37\ m\times \frac{\frac{1}{1609}\ miles}{1\ m}\\\\Wavelength=\frac{187.37}{1609}\ miles\\\\Wavelength=0.1165\ miles

Hence, the wavelength in miles is 0.1165 miles.

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Jimmy is cooking pasta in a pot of water on the stove. He uses a stopwatch to see how long the pasta takes to cook depending on
Alex787 [66]

Answer:

stove

Explanation:

The stove is the independent variable in this question as it does not depend on anything like other variables such as pot, water, temperature and of cause pasta.

The pot depends on the stove, the water depends on the pot and stove, the pasta depends on the water and its temperature.

Cheers.  

4 0
3 years ago
A car engine changes ______ energy to ______ energy, _______ energy and ________ energy.
Molodets [167]

Answer:

Mecanical into electrical,kinectic and thermal energy

3 0
2 years ago
A driver of a car enters a new 110 km/h speed zone on the highway. the driver immediately begins to accelerate and reaches 110 k
lbvjy [14]

The formula for calculating acceleration can be derived from:

v^2 = v0^2 + 2 a d

where a is acceleration, v is final velocity, v0 is initial velocity and d is distance = 0.5 km

 

Rewriting in terms of a:

a = (v^2 – v0^2) / 2 d

a = (110^2 – 80^2) / (2 * 0.5)

<span>a = 5,700 km/h^2 = 0.44 m/s^2</span>

4 0
3 years ago
Dana uses a rope to pull a box that weighs 300 N across alevel
Alchen [17]

Answer:

coefficient of friction is 0.346

Explanation:

given data

weight w = 300 N

angle = 30

tension T = 100 N

to find out

coefficient of friction ?

solution

we consider here x component in horizontal direction and y component in vertical direction

so if 100 N tension is apply at 30 degree angle so friction is created at backward direction as shown in figure below

so here

we know here vertical force is zero because there is no vertical motion so

sum of vertical force

N + T sin30 - w = 0

here N is vertical upward force an w is weight and T is tension

N = 300 - 100sin30

N = 250 N

and there is horizontal force is zero because no acceleration so

sum of horizontal force

Tcos30 - f = 0

f = T cos 30

f = μN

μ is coefficient of friction and N is vertical upward force

μN = 100 cos 30

μ ( 250) = 86.6025

μ = 0.346

so coefficient of friction is 0.346

4 0
3 years ago
N=Q/e formula of this?<br>​
sweet [91]

Answer:

Its not just a mere formula . It tells a hell lot about charges .

q = ne . As you know , q stands for charge and e stands for charge on an electron . As for n , it represents an integer.

This whole q=ne thing represents quantisation of charge. The formula tells us that charge is quantized ( in the form of small packets)

Every body on this small earth has a charge which has to be an integral multiple of ‘e’ . So , we represent charge on a body(q) as

q=ne.

Hence the formula .

I hope you got what I want to say .

Thanks for reading .

3 0
3 years ago
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