How much work is done against gravity in lifting a 6.5-kg weight through a distance of 21 cm? A 79 kg man is descending in a elevator at 2.5 m/s, what is his weight? What is the weight of a 1500 kg mass on earth? How will the weight of 20kg change if it...
(10分)评卷人How much weight can you carry with your hands or on your back? Maybe 50kg, 100kg? But how about lifting loads () with your feet? A 55-year-old man, surnamed Huang, can surprisingly lift 50kg of stones with his feet and carry them, along with two dumb-bells (铃) in...
How much weight can a helium balloon lift? A standard helium balloon can lift approximately 0.03 pounds or 14 grams. However, this depends on several factors, such as the weight and size of the balloon itself and the string. How much helium does it take to fill 100 balloons? Each helium...
fast people can___or how much weight they can lift. Also, although we can get ourselves in___shape, some of us are just genetically more suited to strength and___. But, more importantly, it’s a person’s___that determines how far he or she can go. So, how could I best test ...
Speed is not determined by how strong your muscles are, that is by how much weight they can lift, but by how quickly they react and contract. And the speed and quickness of your muscles is accomplished by properly conditioning what are called your fast twitch muscle fibers. These are the ...
【题目】06950 kg Stones on His Feet脚挂50公斤石锁How much weight can you carry with your hands or on yourback? Maybe 50kg, 100kg? But how about ifing loadst? withyour feet?A 55-year-old man, surnamed Huang, can surprisingly lift50kg of stones with his feet and carry them, along ...
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Using a weight at 70 to 80 percent of your one-rep-maximum (IRM), or essentially, how much weight you could lift for a single rep of a particular exercise. This 1RM calculator from ACE can help if you’re unsure. As for how often you should be training, Wilson says three to five ...
【题目】50 kg Stones on His Feet脚挂50公斤石锁How much weight can you carry with your hands or on yourback? Maybe 50kg, 100kg? But how about ifing loads1 withyour feet?A 55-year-old man, surnamed Huang, can surprisingly ft50kg of stones with his feet and carry them, along with ...
If a person can lift 50kg on the moon, how much weight can he lift on earth? How much mechanical work is done in raising a 39.2 kg mass a distance of 1.1 meters? How much work does an elevator motor do to lift a 1,000-kg elevator a height of 100 m? How much power must ...