How much change in the power of wind will take place if wind velocity becomes 3 times O 27 times O 9 times O 3 times O 24 times

Q: As a hiker in Glacier National Park, you are looking for a way to keep the bears from getting at…

A: Consider the free-body diagram of both the bags as follows.

Q: The swift movement of the falling water droplets along with the rising air create lightning and…

A: The swift movement of the falling water droplets along with the rising air create lightning and…

Q: How does surface tension change with temperature?

A: Surface tension is the property of the surface which is due to intermolecular attraction between the…

Q: Write TRUE or FALSE Lift force in wind turbine is an aerodynamic force which acts in the direction…

A: Turbine uses the mechanical energy to generate other form of energy. There are mainly two type of…

Q: How much change in power of wind if will take place if wind velocity becomes 5 times and blade…

A: Solution:given that Change in velocity 5 times change in blade length is 5 times

Q: Cave is hiking on a mountain and stop 15 and five eights feet above sea level the base of the…

A: final position (df)  = (15+ 58) ft above see level = 1258 ft above sea level Position of base of…

Q: Example of Heat Transfer Conduction, Convection, or Radlation Hot chocolate is stirred with a spoon…

A: Conduction: Thermal conduction is the transfer of internal energy by microscopic collisions of…

Q: Because they are insoluble, - can have a significant adverse effect on fluidity molten metal laminar…

A: First of all we have to understand the meaning of te fluidity ,  1. Fluidity the ability of a…

Q: Transformations happens when solar energy strikes the body of water.

A: Evaporation is a process by which water changed from the liquid or solid state into the gaseous…

Q: Blank is a packet of air which it warmer than the surrounding air which are localized heating causes…

A: Given : Blank is a packet of air which is warmer than the surrounding air which are localized…

Q: As an air mass rises, it generally experiences ________________. Group of answer choices a…

A:

Q: You have a flight of stairs 8 feet in height. You walk up the stairs two times (1st time... slow)…

A:

Q: A wind is blowing at a speed of 45 km/h in a direction 34° North of East. The northward (Y).…

A: Y component is given by  Vsinθ

Q: What occurs when air is subjected to less pressure? The air becomes compressed. B. The air expands.…

A: GIVEN: The relation between temperature and pressure is given as  P1T1=P2T2 i.e. when the pressure…

Q: Indicate the mechanism of thermal energy transfer that takes place in each case. A. Heating of…

A: (A) The heating of the seawater by energy from the Sun is the combination of radiation and…

Q: A hot plate placed in snow on a cold winter day is a net   absorber.   emitter.   Both of these.…

A: Given, A hot plate placed in snow on a cold winter day

Q: As a hiker in Glacier National Park, you are looking for a way to keep the bears from getting at…

A:

Q: Roofs of the huts are blown up during stormy days. Why?

A: Roofs of the huts are blown up during stormy days because

Q: How different types of transportation make use of thermodynamics?

A: The movement of people, goods, and animals, etc. from one place to another place in the world is…

Q: How much change in the power of wind will take place if wind velocity becomes 5 times ? Change in…

A: The mathematical expression for calculating the power of wind is : P=12kCpρAV3 Here, P is the power…

Q: How much heat was lost by the horseshoe in vaporizing 0.0100 kg of water

A: Given data: The initial temperature of water is: Ti=22∘C The mass of the water is: m=0.0100 kg The…

Q: How much change in the energy of wind will take place if wind velocity becomes 4 times ? Change in…

A:

Q: From greatest to least, rank the frequency of radiation of these emitters of radiant energy: (a)…

A: Red-hot star Bluehot star and the Sun, they all emit electromagnetic waves with the frequency of the…

Q: The sun doesn’t shine as brightly in winter as it does in summer. This means that in winter you…

A:

Q: Compare and contrast how energy can travel through the earth and the ocean

A: Answer:- The ocean and atmosphere are connected. They work to move heat and fresh water across the…

Q: How much change in the power of wind will take place if wind velocity becomes 4 times and blade…

A: Given data: The change in velocity is v2=4v1. The change is blade length is r2=5r1.

Q: At 0 ⁰C and under 1 atm pressure, for 100 hours at 4 m/s wind speed and 12 m/s wind speed. Calculate…

A: The power of wind can be expressed as, Here ρ is the density of air, A is the area taken and v is…

Q: What is ultimate source of energy in coal, oil and wood?

A: The ultimate source of energy in coal, oil and wood comes from the Sun, through various processes…

Q: The sun doesn't shine as brightly in winter as it does in summer. This means that in winter you…

A:

Q: Why does cold mountain air become warm when it descends into valley?

A: When the air descends, it gets compressed due to the adiabatic process.

Q: UESTION 3 Match the word with the example E v Conduction A. Sea breezes E v Convection B. Global…

A:

Q: One step in the production of hydroelectric power involves _____. A) falling water that turns a…

A: Hydropower plant is one of the major power generation unit, which are used for the purpose to…

Q: Why does the weather become very cold after a hail storm?

A: Ice absorbs a large amount of Latent heat from the surroundings to melt. There is a lot of heat in…

Q: Why do the smoke particles move randomly? They are hit by air molecules. They are less dense than…

A: It is known that air particles move in randomly in a haphazard motion known as Brownian motion.

Q: 10 kg of food has a moisture content of 300% (dry basis), is dried to a moisture content of 20% wet…

A: The percentage of the moisture content for wet basis is, MCwb=MCdb1+MCdb=3.01+3.0=0.75=75% wb

Q: The Fast Moving Vehicles Are Given Streamline Shape. Why?

A:

Q: A wind is blowing at a speed of 20 km/h in a direction 17° North of East. The eastward (X) component…

A: If v be the velocity of wind and θ be the angle then the component of the wind velocity will be=…

Q: Wind would move in a straight straight line if

A:

Q: Why do the machine parts gets jammed in winters?

A: 1) Due to the low temperature in winter, the coefficient of viscosity of the engine oil and the…

Q: Humidity is a measure of the _______________.   A) pressure in the air B) viscosity of the air…

A: The amount of water vapor in the air is measured by the humidity of air.

Q: When it rains vapor, water vapor in the air condenses into liquid water, and energy released is…

A: Solution

Q: Hot Cocoa As a result of the heating will the Fill in the table with: Increase, decrease, OR stay…

A:

Q: As height increases, so does...

A: Height is related to the potential energy of an object. increasing height is the result of gaining…

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!