What are fossil fuels? How are coal and oil forms of solar energy?
Q: Problem 4 A 2 kg ball is thrown upwards at a velocity of 20 m/s. (a) What is the potential energy…
A: To solve this problem we use conservation of mechanical energy that is if only conservative force is…
Q: Your mother got mad at you because you fall down her favorite plate at a height of 4 feet with a…
A: Kinetic energy = 1698.9 joule
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A: Potential energy stored due to mass m at height h is; P=mgh Here, g is acceleration due to gravity.…
Q: A cyclist pedals for 20 min at a speed of 15 km/h. How much metabolic energy is required? How much…
A:
Q: What is degraded energy?
A: The thermal energy that transferred into the surrounding environment after any process. Once…
Q: How many Joules of energy are needed to keep a 45 Watt ceiling fan working for six hours? (Hint:…
A: Given:- The power of the ceiling fan is P = 45 Watts. The Time of working of the fan is t = 6 hours…
Q: If your body is 20 percent efficient in converting food intake to useful work, how many kcal of food…
A: Write the given values with the suitable variables. η=20 %W=25×105 J Here, η and W are the…
Q: A 70- kg man can store about 120000 kcal of energy as fat. How far could such a man run on this…
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Q: How could you characterize the work potential of solar energy when used to produce work?
A: Estimated global potential of solar energy ranges from 1600 to 49800 exajoules. The measurement is…
Q: What are the qualities of an ideal source of energy?
A: The main qualities of ideal source of energy includes, Must have the ability of transferring an…
Q: A 1,100 kg horse is walking at 3.0 m/s. How much energy does the horse have?
A: 1,100 kg horse is walking at 3.0 m/s. How much energy does the horse have?
Q: What does it mean for something to have energy?
A: In the given question, we have to discuss about the term energy.
Q: According to the World Energy Council, the average household in Mexico consumes about 1600 kWh of…
A: Dimension of solar panels=(1×1) So area of solar panel=1 m^2 Annual solar energy potential of panel…
Q: Suppose a person eats 2000 Kcal per day. Using the facts that 1 Kcal is approximately 4.2 Kj (a…
A: Joule is unit of energy or work. And Watt is the unit of power, which is energy per unit time. So,…
Q: Wind and solar energy are examples of: A) Finite energies B) Renewable energies C) Non renewable…
A: finite energies are also known as the energies from non renewable sources, which means they are…
Q: Which of the following describes advantages of geothermal power? I. Plants require some electricity…
A: The correct option is (a) i.e., It reduces green house gases.
Q: What is Geothermal Energy? Social Environmental Advantages Disadvantages Advantages Disadvantages…
A: Geothermal Energy: It is a form of renewable energy which is derived from the earth's core. It comes…
Q: In energy, what is efficiency and power? And how are they related or different.
A: Efficiency is the ratio of the amount of energy that is used usefully compared to the total energy…
Q: What is the potential energy increase of a 1500 kg car driven up a 1000 meter elevation gain from.…
A:
Q: Energy is never created or destroyed; it only changes form. Explain the statement.
A: According to the law of conservation of energy, energy can neither be created be nor be destroyed.…
Q: Prompt: Use scientific reasoning to explain how energy transformations are occurring in this…
A: Here given that the sun light is incident on the solar cell.We have to define how the energy…
Q: A new coal-burning power plant can generate 1:5 gigawatts (billion watts) of power. Burning 1…
A: Given data: Energy generate = 1.5 GW Need to determine the energy generate in one month.
Q: Why wouldn't potential energy change when a balloon is dropped to the ground?
A:
Q: On what basis would you classify energy sources as(a) renewable and non-renewable?(b) exhaustible…
A: (a)The energy sources which can be restored or regenerated are called renewable source of energy,…
Q: Gasoline is useful in cars because it has A) chemical potential energy B) electrical potential…
A: Gasoline is a type of fuel that consists mostly of organic compounds obtained from the fractional…
Q: State the law of conservation of energy and describe the energy transformations in some everyday or…
A: The capacity of doing work is called the energy of the body. The amount of work that a body can do…
Q: Which shows a decrease in gravitational potential energy? 1) A rock climber ascending up Stone…
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Q: Kinetic Energy depends on: O Weight and Height Speed and Mass O Speed and Direction
A: The kinetic energy is given by KE=12mv2
Q: Describe three forms of energy utilized by a common machine (i.e. airplane, lawnmower, washing…
A: Form of energy: Chemical, electrical, radiant, mechanical, thermal, and nuclear energy are the six…
Q: How much energy does a 7500kg airplane have if it is moving at a velocity of 180m/s and at a height…
A: This body will have potential energy due to the height and due to the motion, that is velocity, it…
Q: Potential and kinetic energy represented by a bow and arrow Poteetial Kinetic Guide Questions: What…
A: When some amount of work is done on a system, then the energy of the system changes. The amount of…
Q: When you wind up a spring in a toy or stretch a rubber band, what happens in terms of work, energy,…
A: Energy can neither be created nor be destroyed but it can be converted from one form of energy to…
Q: The Sun puts out twice as much solar energy in 2 hours as it does in 1 hour. But the solar power of…
A: The Sun puts on twice as much as solar energy in 2 hours as it does in 1 hour. The solar power is…
Q: Monday Tuesday or Challenge Wednesday A hydroelectric power station has an upland reservoir that is…
A: Height (h) = 400 m Power (P) produced = 96 MW efficiency = 60 %
Q: What are 3 ways energy is converted into other forms of energy in our everyday regular lives?
A: According to law of Conservation of energy the total energy doesn't change, it can only be…
Q: In recent years, there has been a large push for an increase in the use of renewable resources to…
A: i) The mileage of the car, which use gasoline as fuel, is 27.5 mi/gal. ie., using 1 gallon of…
Q: Why are solar power and wind power somewhat unreliable?
A: Solar power is unreliable because the energy from the sun is only available during the day time so…
Q: a hydraulic catapult propels the car to the top of the ride, at a height of 450 ft. If the car and…
A:
What are fossil fuels? How are coal and oil forms of solar energy?
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