A company is given a yearly allowance of carbon emissions it is permitted to release. Due to using clean technologies and its new sustainability policies, the company releases less carbon emissions than its allotted amount. What could the company do with the surplus carbon emissions? Buy more carbon offsets. O Buy more carbon credits. O Sell its extra carbon offsets. O Sell its extra carbon credits.
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- As you learned in this course, there are many different energy transformations to accomplish the same tasks. The screen on your phone is actually an energy transformation technology. It converts electrical energy to radiant energy ight) There are many technologies which can be used to produce a screen, and their efficiency is linked in a complex manner to the colours in the image they display D Here is a simplified example: Power consumption Usable light output power Organic light emitting diode (OLED) 2.0 W 0.38 W Liquid crystal display (LCD) 3.0 W 0.25 WIn Arizona, photovoltaic (PV) panels can generate an average annual power of 1 MW/acre. If there are 311 sunny days per year in Arizona, but only 160 sunny days per year in Pennsylvania, how much average power (in MW/acre) could the same PV panels generate in Pennsylvania? Please include two decimal places in your answer. Note: assume that a cloudy day delivers 0 watts/acre of solar power. This is not true, but it simplifies the problem for us.9. What is the difference between renewable energy and non-renewable energy and give one example of each: (keep it SHORT!!)
- Electric vehicles increase speed by using an electric motor that draws energy from a battery. When the vehicle slows, the motor runs as a generator, recharging the battery. Explain why this means that an electric vehicle can be more efficient than a gasoline-fueled vehicle.A 2.0 m2 solar panel is fully illuminated by sunlight. Assume the sunlight has a power density of 0.10 J/cm2 -s. a) If the efficiency of the solar panel is 16%, how much electrical energy will it deliver in one hour? b) If this energy is stored in a battery, how long will it keep a 100 W incandescent lightbulb burning if the bulb has an efficiency of 2.6%. (Efficiency of the lightbulb is the light out - - 100 W - to the electrical power in.)bacon-cheddar-double-burger meal along with A 65.0-kg mountain climber just ate a Johnny Rocket's two peanut butter milkshakes, which have 5810 Calories (5810 kilocalories). Assume she can convert these calories into energy with 100% efficiency and use the fact that 1 kcal = 4186 J. Calculate how many times she could climb up Mt. Everest - the world's tallest mountain. The height of Mt. Everest is 8840 m.
- A fuel-efficient car is able to convert the chemical potential energy of gasoline into translational kinetic energy at an efficiency of 78.4%. If there is 8742 kJ of chemical potential energy in one tank of gas, what is the amount of translational kinetic energy produced. How to manipulate formula eff=output/input x 100Geothermal energy uses the subsurface level of the earth to heat up water converting it to steam and then using the steam to turn a turbine attached to a generator to generate electric energy. If the geothermal energy conversion process is 46% efficient and there was 789 J of electricity produced, how much energy did the steam have before reaching the turbine? answer 1715 eff=output/inputx 100A house runs a 40-Watt refrigerator 24 hours a day. It also uses 20 Watts of lights for 4 hours a day and a 1000-Watt dryer one hour a day. How much energy does the house require in one day? Select one: 2.04 Kilowatts 1.02 kilowatts 1.02 kilowatt-hours 2.04 kilowatt-hours