Which BEST describes a non-renewable energy source? O It is an energy source that is used faster than it is recycled. O It is an energy source that can be found anywhere and less expensive. O It is an energy source that is used faster than it is replaced or is available in limited amount O It is an energy source that is replaced as fast, or faster than it is used.

Q: You eat a sandwich. Later that day, you walk up a flight of stairs. a. Describe how energy changes…

A: a. The sandwich contains energy in the form of chemical energy.  When I ate the sandwich, this…

Q: Which of the following statements is/are true? Check all that apply. The SI unit of power is the…

A: Horsepower is not the SI unit of power, the SI unit of power is the watt (the statement is False).…

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: A. Which case has the greates amount of work done of P over distance d B. Which case has the least…

A: A.  Correct option is E.  Work done is given by F. d. Dot product of force and displacement. Both…

Q: The winning time for the 2005 annual race up 86 floors of the Empire State Building was 10 min and…

A: Dear student, this question contains more than three sub-parts. As per guide lines we will answer…

Q: Championship swimmers take about 22 s and about 30 arm strokes to move through the water in a 50 m…

A: (a) (b)

Q: A 1600 kg car steadily accelerates from rest to 60 mi/hr over a 2.8 second time span. How much work…

A: Given:mass of car, m = 1600 kgfinal velocity, vf = 60 mi/hr = 26.816 m/s

Q: The light energy that falls on a square meter of ground over the course of a typical sunny day is…

A: a. Write the expression for power.

Q: What is the difference between when work is done by a system and when work is done on a system? a.…

A: Introduction :- Here we need to think about the concept of energy (internal energy) which depends…

Q: According to the law of conservation of energy: O Energy is conserved only when the device is 100%…

A:

Q: A weightlifter works out at the gym each day. Part of her routine is to lie on her back and lift a…

A: a) The work does the weightlifter do to lift the barbell one time,

Q: A wind turbine is set up in a farming field, the wind speed vis 5.2 m/s. Assume that the available…

A: We are given wind turbine. We are given density. We are given radius also. We are given efficiency.…

Q: * Two narrow slits are used to produce a double-slit interfer- ence pattern 0.90 mm, and the…

A: Answer             6.136 * 10-7 m

Q: If a 71.0 kgkg hiker eats one of these bars, how high a mountain must he climb to "work off" the…

A:

Q: Which of the following statements about energy is not true?   a. The mechanical energy of a…

A: The mechanical energy of a physical system is constant when the forces acting on the system are all…

Q: Geothermal energy uses the subsurface level of the earth to heat up water converting it to steam and…

A:

Q: Mountain climbers carry bottled oxygen when at very high altitudes, since the atmosphere contains…

A: Write the expression for the amount of oxygen needed per minute and substitute the corresponding…

Q: The internal energy of a 5-kg suitcase starts at 150 kJ. The suitcase is mangled as it travels…

A: Given data, Internal energy of the suitcase = 150 kJ Work done on the suitcase = 10 kJ Heat loss…

Q: he energy efficiency of electric vehicles is usually rated in terms of the​ kilowatt-hours (of​…

A: The kWh/100 miles rating is more important for evaluating EV running expenses than MPGe.  The…

Q: How many tonnes of wood per day would be needed for a wood-fired generating station that produces…

A: Given data: Energy produced by burning wood P=1000 MW. Efficiency η=35%. Therefore, total energy…

Q: 6. Engines, including car engines, are rated in horsepower. What is horsepower? a. The force needed…

A: Horsepower is defined as power produced by the engine.

Q: avocado has 180 Calories. If all this energy could be used to lift a bucket of water weighing 40 N,…

A:

Q: Which of the following statements are TRUE? A. Energy is a vector physical quantity. B. Energy is…

A: A. Energy is not a vector quantity, it is a scalar quantity : FALSE B. Energy is required to do work…

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: To make your workouts more productive, you can get an electrical generator that you drive with the…

A:

Q: Electric vehicles increase speed by using an electric motor that draws energy from a battery. When…

A:

Q: Question: 1. Suppose that the elevator is broken in the building n which you work and you have to…

A:

Q: For locations that have no electric service, companies are designing bicycle-powered generators that…

A: Output power =150 W

Q: QUESTION 5 Which of the following statements about energy is not true? The mechanical energy of a…

A: According to work energy theorem change in kinetic energy is equal to work done by both conservative…

Q: Portable electric heaters are commonly used to heat small rooms. Explain the energy transformation…

A: Electric heater converts electrical energy into heat energy.

Q: B. Energy is always required to do work. C. Total mechanical energy can never be zero. D. When law…

A: A. is false .because Energy is a scalar quantity as it has only magnitude. B is true  Energy os…

Q: power are both co s widespread as fossil fuel generators, they are slowly gaining rldwide. a wind…

A: (a) A wind turbine generates electricity by using the kinetic energy of the wind to turn the blades…