how much energy does it take to destroy a mountain?
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Violent Fragmentation: Mountain level (4.184e17 Joules) / (69 Joules/cc) = 6.064e15 cm^3, or 6.064e9 m^3 destroyed. Assuming that the mountain's height and radius are equal, the minimum values for both radius and height should be about 1795.72m.
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A kilogram of cut grass contains about 4 million joules, also known as megajoules (MJ). That's slightly more electricity than the kilowatt hour used in the energy retail market. And wood, the most commonly used biomass, contains around 15 MJ/kg. But if it's dried before it's burned, that's boosted to around 18 MJ/kg.
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How much thermal energy is created by friction during his descent? At the bottom of the water slide, he has kinetic energy: = (0.5)(55 kg)(144 m^2/s^2) = 3960 joules.
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Sled pushing (25 minutes) Take sled pushing for instance - in just three minutes of work it's possible to burn up to 250 calories!
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Mountain biking burns between 200 - 1400 calories per hour. Approximately 680 calories are burned per hour during moderate cross-country singletrack riding.
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A commonly accepted threshold for the minimum amount of kinetic energy needed to kill an elk is 1500 ft-lbs. For whitetail deer, the minimum amount of kinetic energy is 1000 ft-lbs.
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A commonly accepted threshold for the minimum amount of kinetic energy needed to kill an elk is 1500 ft-lbs. For whitetail deer, the minimum amount of kinetic energy is 1000 ft-lbs. We've all probably heard stories of hunters taking elk with a . 243 Win.
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Intensity. A fast pace will increase intensity and cause a larger calorie burn. A 200-lb. person can expect to burn around 637 calories hiking quickly in the mountains while only burning 455 calories cross-country, says CalorieLab.
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Each hour 430 quintillion Joules of energy from the sun hits the Earth. That's 430 with 18 zeroes after it! In comparison, the total amount of energy that all humans use in a year is 410 quintillion Joules. For context, the average American home used 39 billion Joules of electricity in 2013.
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Easy! When Manley runs the particulars of Earth through this equation, he figures out that it'd take about 2.25 x 1032 joules, or 225 million trillion trillion joules. For much larger planets such as Jupiter, you're going to need about 2 x 1036 joules, which means 2 trillion trillion trillion joules of energy.
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Input the moon's diameter (roughly 3,500 km) and relative surface gravity (0.166), and it'll tell you that you'll need on the order of 1.25×10^29 joules of energy to blast the moon into dust.
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According to their estimates, a 160-pound adult burns between 430 and 440 calories per hour of hiking. Contrast that with 550 calories burned per hour for someone who weighs 200 pounds, and you can see that the more you weigh, the more calories you'll ultimately burn.
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2. BURNS THOSE CALORIES. The average hike for the average person (154 lbs) burns an estimated 370 calories per hour. However, the Grouse Grind (aka Mother Nature's Stairmaster), given the aforementioned elevation, has been approximated to burn an average of 1000 calories from start to finish.
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Climbing a steep hill in your neighborhood or hiking up a trail makes you burn off even more calories. In one hour, you'll burn up to 440 calories going uphill at a weight of 160 pounds. If you weigh 200, you use up as much as 550 calories in the same time.
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So it seems you want to convert electrical energy into mechanical energy. Now considering that you want to lift mass of 100 kg through height of 10meter in 1 minute. Hence, mechanical energy required is= 100*9.81*10 = 9810 joule. Pi (electrical power input) = 10900 / 60 = 181.67 Watt.
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3-5 seconds) to really activate those muscles and feel the burn! On average, you'll burn around 40 calories per set using a moderate effort.
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Normally, to burn this off you'd have to do hours and hours of boring jogging - but there's actually far quicker ways. Take sled pushing for instance - in just three minutes of work it's possible to burn up to 250 calories!