it expands to its original shape when you let go. The same thing happens if you pull its ends in opposite directions. This is because of the spring'selastic potential energy-- the energy it stores because of a change in its shape. When you pull one end of a spring, it ...
To prepare the gun for a shot, you run a fuse (a length of flammable material) through the hole, so it reaches down to the gunpowder. To fire the cannon, all you have to do is light the fuse. The flame travels along the fuse and finally reaches the gunpowder. The Power of ...
How did gunpowder impact the Age of Exploration? How did the Transcontinental Railroad intensify the slavery issue? How did European exploration affect Africa? How did genocide relate to the Age of Exploration? What effect did the headright system have on slavery?
How did gunpowder impact the Age of Exploration? How did the Crusades affect the Age of Exploration? How did the Crusades effect the plague? How did the Crusades affect feudalism in Europe? How did the famine and the plague affect the population of Europe in the 1300s?
The arquebus (from a Dutch word meaning "hook gun") was a long-barreled, musket-like firearm, shot from the chest or the shoulder. The muzzle-loaded weapon with afierce recoil was ignited by a matchlock, a device that connected a smoldering wick to the gunpowder with the pull of a trig...
I never did go up Everest, but that’s absolutely fine because in the interim we’ve gone to absolutely amazing places all over the world. So yeah, there wasn’t much of a business plan, I have to say at the beginning. And I guess in the sort of naivety of youth and bravado, I...
Anatomy of an Aerial Fireworks Shell: When a fireworks shell is launched into the air, the fuse is burning. The fuse is just the right length to ignite the explosive charge at the desired altitude. When the charge explodes it instantly ignites the gunpowder, increasing the size and force of...
Do ancestral theories remain relevant to the present? What harms have resulted or could result from the use of the theory? Each category (a to d) emphasises or selects for different aspects of a theory allowing scientists to change focus from merely, e.g. predictive power or parsimony, to...
The temper of the people was such that any little thing angering them would have been as a spark to gunpowder. From the time of the government crisis of the autumn of 1899, we, in company with all other foreigners in China, realized that conditions were becoming serious, yet never did ...
a呼吁整个世界联合起来 Appealed the entire world unites[translate] abefore arrived the alien left the shop and the visited the museum of Flight 售货员告诉警察[translate] a火药发明于中国唐代是我国著名的四大发明之一。 The gunpowder invention in the Chinese Tang Dynasty is our country one of famous...