Answer: A. Transverse
Explanation:
Sound is a mechanical transverse wave, it travels faster in solids than in liquids or gases. This is because the speed of the mechanical waves is determined by a relationship between the elastic properties of the medium in which they are propagated and the mass per unit volume of the medium.
In addition, the speed of sound varies with changes in the temperature of the medium. This is because an increase in temperature means that the frequency of interactions between the particles that transport the vibration increases, hence this increase in activity increases the speed.
Hence:
<h3>Sounds travels in a <u>transverse</u> wave</h3>
Answer:
Coastal cities with large tidal range
Explanation:
Tidal-power energy generatgeneration, is a form of renewable energy source of power generation, that makes use of ocean tides and currents kinetic energy to power electricity generating turnines, and paddles connected to an electricity generator, to produce electricity
Therefore, a tidal-generating-facility would be viable in coastal cities with large tidal range
Answer:
Given: m = 5 kg, r =1 m, ω = 2 radian/s, centripetal force = ?
Formula : Centripetal force = mv²/r = mrω²
(Since v = r ω)
Put the values.
<h2>
Answer: as mass increases, the wave nature of matter is less easy to observe.</h2>
At the beginning of the 20th century the French physicist Louis De Broglie proposed the existence of matter waves, that is to say that <u>all matter has a wave associated with it.</u>
In this sense, the de Broglie wavelength is given by the following formula:
(1)
Where:
is the Planck constant
is the momentum of the atom, which is given by:
(2)
Where:
is the mass
is the velocity
Substituting (2) in (1):
is inversely proportional to ).
Therefore, if the wavelength decreases the wave nature of matter is less easy to observe.
The other options are incorrect because:
a) as increases decreases and the particle nature matter becomes more evident
b) as decreases increases and the wave nature matter becomes more evident
c) There is also a relation between the wavelength and the energy :
So, as energy increases, the particle nature matter becomes more evident and the wave nature of matter becomes harder to observe
Answer:
34.62m/s^2
Explanation:
Force = mass x acceleration
Given
Force = 1800N
Mass = 52kg
Therefore
1800 = 52 x a
Divide both sides by 52
1800/52 = 52/52 x a
34.62 = a
a = 34.62m/s^2