Why are there so few working wave power stations?

Answers

Answer 1

Answer: Well mostly because it's for oceans and lakes that have waves. so if you don't live near any of these, you wouldn't be getting power.

Answer 2

Answer: If you live near a sea or ocean, You Would be getting power. Because the waves are from large bodies of water (sea, ocean ...)

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Which of the following factors does NOT help determine the height, length, and period of a wave?a. wind speed
b. fetch
c. temperature
d. how long the wind blows

Answers

Answer:

Temperature does not determine the height, length and the period of the wave.

Explanation:

Height of the wave shows the amplitude, the length shows the wavelength, and the period of the wave shows the frequency.

The factors that helps to determine the height, length and the period of the wave are :

Wind speed : The speed is equal to the product of the wavelength and the frequency of the wave.
Fetch : It is defined as the horizontal distance where the wind blows.
How long the wind blows : It shows how long the wind blows. It is inversely proportional to the frequency of the wave.

Hence, the correct option is (c) " temperature ".

Final answer:

The temperature, unlike the wind speed, fetch, and duration of wind blow, does not directly help determine the height, length, and period of a wave.

Explanation:

The height, length, and period of a wave are primarily determined by wind speed, the fetch (the distance over which the wind blows across the water surface), and the duration for which the wind blows. Temperature does not directly determine these characteristics of a wave. Therefore, option 'c' is the correct answer.

While temperature can affect the density and viscosity of the medium, and indirectly impact wave speed, it does not directly influence the height, length, and period of a wave in the same way as the other factors.

The factor that does NOT help determine the height, length, and period of a wave is c. temperature. Temperature does not have a direct influence on the characteristics of a wave. The other factors, such as wind speed, fetch, and how long the wind blows, all play a role in determining the properties of a wave.

Learn more about Wave Characteristics here:

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What are examples or centripetal acceleration?

Answers

Centripetal acceleration is necessary, and is present, whenever any object
moves in a closed path, or along any part of a circular path. Some examples
I can think of are:

-- a planet or a comet in orbit around the sun
-- a moon in orbit around a planet
-- the little ball making circles around the spinning roulette wheel
-- a stone tied to the end of a string, when you spin it around your head
-- the end of the spinning string on a weed-whacker
-- the tip of the blade of a fan or a windmill
-- any little bit of rubber on a car tire or bicycle tire, when they're moving
-- a strawberry seed spinning around the inside of the blender jar when you're
making a smoothie
-- a car driving around a curve in the road
-- you on almost any amusement park ride; whenever you're not moving in a
straight line, you're experiencing centripetal acceleration.

centripedal acceleration :

⇒ the moon in orbit around a planet (or the sun).
⇒ The Earth (or an other planet) in orbit around the sun.

Which process causes the temperature to decrease as one goes higher in the mesosphere?a fewer particles to convert the red-green light spectrum into heat
b fewer particles to convert IR light into heat
c fewer particles to convert ozone into heat
d fewer particles to covert UV light into heat

Answers

The correct answer is letter D. There are fewer particles present in the mesosphere which can convert UV light into heat. This causes the temperature to decrease and the overall atmosphere to decrease with its oxygen content causing a person the inability to breathe at high altitudes.

Answer:

Explanation:

How much heat energy must be added to 52kg Of water at 68°F to raise the temperature to 212°F? The specific heat capacity for water is 4.186×10 to the third power J/kg times degrees Celsius

Answers

Answer:

The amount of energy added to rise the temperature Q = 17413.76 KJ

Explanation:

Mass of water = 52 kg

Initial temperature $T_(1)$ = 68 °F = 20° c

Final temperature $T_(2)$ = 212 °F = 100° c

Specific heat of water $C = 4.186 (KJ)/(kg c)$

Now heat transfer Q = m × C × ( $T_(2)$ - $T_(1)$ )

⇒ Q = 52 × 4.186 × ( 100 - 20 )

⇒ Q = 17413.76 KJ

This is the amount of energy added to rise the temperature.

physics Test 2 In a double slit experiment, if the separation between the two slits is 0.050 mm and the distance from the slits to a screen is 2.5 m, find the spacing between the first-order and second-order bright fringes when coherent light of wavelength 600 nm illuminates the slits.