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exis [7]
3 years ago
15

Due Ma duart ded out 25 N 35 N 1-03

Physics
1 answer:
Anuta_ua [19.1K]3 years ago
8 0

Answer:

what's that all about

hehehwhe

Explanation:

dgbjjjedgkigdssfhkkoyddwrhkoyeqaxghjjhasghffhjiopjtewqetujjgda

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What forms when two of earths plates pull apart
zhannawk [14.2K]

Answer: (Screen Shot)

3 0
3 years ago
Read 2 more answers
Sound waves in air travel at approximately 330m/s. Calculate the frequency of a 2.5m-long sound wave.
dusya [7]
Frequency = speed ÷ wavelength
= 330m/s ÷ 2.5m
= 132 Hz
8 0
3 years ago
An observation which is descriptive is considered quantitative, creative, qualitive
Vesnalui [34]
A descriptive observation may very well be a mixture of both quantitative and qualitative as it can utilize elements of both types. Qualitative deals with the kinds of observations that cannot be measured in numerical form. Quantitative data is just that.
3 0
3 years ago
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Consider a river flowing toward a lake at an average velocity of 3 m/s at a rate of 500 m3/s at a location 90 m above the lake s
WINSTONCH [101]

Answer: a) 5 x 10^5 kg/s b) 444 MW

Explanation:

Kinetic energy per unit mass Ke is

Ke = V^2 / 2

Ke = 3^2 / 2 = 4.5 J/kg = 0.0045 kJ/kg

Now potential energy per unit mass Pe is

Pe = g x z = 9.8 x 90 = 882.9 J/kg = 0.8829 kJ/kg

The total mechanical energy of the River per unit mass e = Ke + Pe = 0.0045 + 0.8829 = 0.88744 J/kg

M = P x V = 1000 x 500 = 5 x 10^5 kg/s

b) power generation potential of the entire river at the location Wmax = Emech = M x Emech = 500,000 x 0.88744 = 444,000kW = 444MW

7 0
3 years ago
What is the wavelength of the carrier wave of a campus radio station, broadcasting at a frequency of 97.2 MHz (million cycles pe
andrey2020 [161]

Answer:

Wavelength is 3.08 meters.

Explanation:

It is given that,

Frequency, f=97.2\ MHz=97.2\times 10^6\ Hz

We need to find the wavelength of the carrier wave of a campus radio station. It can be calculated by using following relation as :

c=f\times \lambda

\lambda=\dfrac{c}{f}

\lambda=\dfrac{3\times 10^8\ m/s}{97.2\times 10^6\ Hz}

\lambda=3.08\ m

So, the wavelength of the carrier wave is 3.08 meters. Hence, this is the required solution.

8 0
3 years ago
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