How much horsepower does a horse have? Watt's estimates were fairly accurate: one horsepower is roughly the average rate of work a healthy draught horse can do over a full day, confirmed by data from the 1925 Iowa State Fair and by English veterinary surgeon William Youatt. In 1993, biolog...
aBecause his engine did ten times as much work as the horse, Watt called it a ten horsepower engine.[translate] aThe word "horsepower" was first used two hundred years ago. James Watt had made the world's first widely used steam engine. He had no way of telling people exactly how powe...
engine could lift a 3,300 pound weight 100 feet in one minute. Because his engine did ten times as much work as the horse,Watt called it a ten-horsepower engine. 1.Watt made the world's first ___. A.train B.engine C.steam engine D.bus 2.Watt wanted to find a way ___. A...
He had no way of telling people exactly how powerful it was, for at that time there were no units(单位) for measuring power.Watt decided to find out how much work one strong horse could do in one minute. He called that unit one horsepower. With this unit he could ...
How Much Horsepower Does a Horse Have? In short, 1 horsepower is equal to 33,000 foot-pounds per minute. The story goes that Watt was working with ponies lifting coal at a coal mine, and he wanted a way to talk about the power available from one of these animals. He found that, on...
years ago. James Watt had made the world’s first widely used steam engine. He had no way of telling people exactly how powerful it was, for at that time there were no units for measuring power.Watt decided to find out how much work one strong horse could do in one minute.[translate...
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How is the power of a lens related to its focal length? View Solution The force required to tow boat at a constant velocity is proportional to the velocity. If it takes 7460 W to two a certain boat at a speed of 4 kmph, how much horse power (1 H.P = 746 watts) will be require...
The word horsepower was first usedtwo hundred years ago.James Watt had made the firstwidely used steam engine.He had no way of telling people exactly howpowerful it was,for atthat time there were no units for measuring power.Wattdecided to find out how much work one strong horse could do...