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Aneli [31]
3 years ago
13

The diagram shows how air moves near the coast on a warm day. Explain why air moves as shown on the diagram. 5 marks

Physics
1 answer:
BartSMP [9]3 years ago
3 0

Answer:

See the answer below

Explanation:

Because water has higher specific heat capacity than water, land usually gets heated and loses heat faster than water.

During a warm day, the air above land gets heated quickly more than the air above water. This warm, less dense air above land begins to rise, creating a low pressure in the process. This paves way for the denser, cold air above water to replace the vacuum created by the warm air above land.

<em>The directional movement of air from water to land is what is known as the sea breeze in coastal areas.</em>

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3 years ago
a 1020-hertz sound wave travels at 340 m/s in air with a wavelength of a) 30 m. b) 3 m. c) 0.333 m. d) 1 m. e) none of the above
eimsori [14]

The wavelength of the sound wave is equal to 0.333 m. Therefore, option (c) is correct.

<h3>What are frequency and wavelength?</h3>

The frequency of the wave can be defined as the number of oscillations that occur in one second and can be expressed in hertz. The wavelength can be defined as the distance between the two adjacent points of a wave such as two crests or troughs.

The relationship between frequency (ν), speed of sound waves (V), and  wavelength (λ):

V = νλ

Given, the frequency of the sound wave, ν = 10 Hz

The speed of the sound wave,V = 340 m/s

The wavelength of the sound waves can determine as follows

λ = V/ν = 340/1020 = 0.333 m.

Therefore, the wavelength of the sound wave is 0.333 m

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brainly.com/question/18651058

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5 0
1 year ago
Rebecca heated 50mL of water from 0 degrees Celsius to 60 degrees Celsius. How much energy did she use to heat the water? Rememb
GuDViN [60]

Answer:

Q = 12540  J

Explanation:

It is given that,

Mass of water, m = 50 mL = 50 g

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We need to find the energy required to heat the water. The formula use to find it as follows :

Q=mc\Delta T

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Put all the values,

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So, 12540 J of energy is used to heat the water.

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1

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