How much change in the energy wind will take place if wind velocity becomes 4 times ? Change in energy of wind=............ times Complete the answer.

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

A: Mass of food left (m) = 19.5 kg Mass of rocks in anchor bag (m') = 19.5 kg θ = 47.5o Let the…

Q: For the Wheatstone Bridge network shown in Figure. What is the value of x when Wheatstone's network…

A:

Q: Firewood is a traditional biomass energy source. To heat a 1500 sq.ft. house in Canada we need about…

A: Energy density of firewood=4.5 kWh/kg But efficiency of it=60% So energy produced by 1kg of firewood…

Q: On clear day, sunlight delivers approximately 1000 J each second to a 1 m2 surface; smaller areas…

A:

Q: Suppose you leave a 50 W bulb on for a day. Approximately how much energy does it use? A) 4 Joules…

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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: I need help finding how many types of energy radiant treatment for cancer has and what they are

A: Energy can be defined as the ability to do work. The energy stored in a battery is able to turn on…

Q: 2. If we wanted to supply a world of 10 billion people with an average demand of electricity at 1 kW…

A:

Q: The energy released from condensation in thunderstorms can be very large. Calculate the energy (in…

A: radius = 2.1 km h = 2.7 cm density of water = 1000 kg/m3

Q: Two sites are being considered for wind power generation. In the first site, the wind blows steadily…

A: It is given that wind blows steadily. Then the time rate of kinetic energy is given by,

Q: What are the limitations of the energy that can be obtained from the ocean?

A: The different forms of energy that can be obtained from the ocean are tidal energy, wave energy and…

Q: Define wind energy.

A:

Q: The U.S. Department of Energy estimates that up to 10 percent of the energy use of a house can be…

A: Annual energy cost,

Q: 13. The following graph compares the greenhouse gas emissions from different forms of electricity…

A: The average temperature of the Earth's climate system is rising due to global warming. CO2 and…

Q: how, by using wind deflectors on the top truck cabs reduce fuel consumption?

A: Wind deflectros is used to deflect wind by deflector which is further redirected it around sides of…

Q: When an electric company can’t meet its customers’ demand for electricity on a hot summer day,…

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

A:

Q: Day to day and real-life instances are given below. Identify which  of the following is/are…

A: This law states that  " Energy can neither be created nor destroyed, it can only be converted from…

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

A:

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

A:

Q: . A 40-W bulb is used for 12.5 hours every day for 30 days. Calculate the consumption of electrical…

A: Given Data: The power of a bulb is, P=40 W The time required for the consumption is, t=12.5 hours…

Q: You have a balloon filled with air that has the same temperature, pressure, density and composition…

A: Temperature is the degree or intensity of heat contained in a substance or system, as measured by a…

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 does specific heat affect the weather?  Give three examples of weather phenomena that are…

A: The weather in land region is hotter than in coastal regions due to low specific heat capacity of…

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

A:

Q: An average person is recommended to take in 2000 calories per day (8,400,000J), because they will…

A: An average person needs 8,400,000 J of energy. On a Saturday, a person takes 10,000,000 J of energy…

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

A: SOlution: Given that V1 =V m/s V2=4V m/s L1=L m L2=8L m

Q: The Joule (J) and calorie (cal) are both units of energy. In the U.S., the energy provided by food…

A: From the question, it is given that- 1 Nutritional calories = 1 kcal  385 kJ of energy per 275.0 mL…

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: 11. A 56kg weight lifter has to carry a 1000lbs of load 10meters above his current location.…

A:

Q: The _________ represent the generalization of the principle of conservation of energy to include…

A: Given:- The _________ represent the generalization of the principle of conservation of energy to…

Q: On average, each person in the industrialized world is responsible for the emission of 10,000 kg of…

A: Given Mass of the carbon emission    = 10,000 kg Temperature                              = 20°C…

Q: Define Water Energy And Give Some Examples Of It

A: Water energy can be defined as the energy that is derived from water, generally through its motion.…

Q: Match each example of energy transfer with the correct type. 1. hot air vents near the floor 2. the…

A: Required :  Energy transfer for each process.

Q: PV cell is indirect method of solar energy (true or false)?

A: PV cell is direct method of solar energy. In direct method , energy is obtained from sunlight from a…

Q: The urban heat island effect is often strongest at night when temperatures would typically drop.…

A: The urban heat island effect is often strongest at night when temperatures would typically drop.…

Q: A power plant produces 1 GW of electricity, at an efficiency of 40% (typical of today's coal-fired…

A: Given: The power of plant is W=1 GW. The efficiency is e=40%.   The expression of efficiency is…

Q: (A) The hot water produced from the geothermal wells can be directly circulated through buildings or…

A: Which of the statement about geothermal energy is false

Q: Warm winds called Chinooks sweep across the plains ju Mountains. These winds carry air from high in…

A:

Q: Iceland is a country that generates most of its electricity using geothermal power stations and 1.…

A: Fill in the blanks question:   (a) (i) Complete the following sentences to describe how some…

Q: bacon-cheddar-double-burger meal along with A 65.0-kg mountain climber just ate a Johnny Rocket's…

A: A mountain climber has to work against the force of gravity to climb at the top of the mountain and…

Q: Why do some rainstorms have more rain than others?

A: Some rainstorms have more rain than others because of some reason-  As moist air rises through…