| 词汇 | 匀速 |
| 释义 | 匀速 So, now, what does it mean to say that area is swept at a constant rate? Since July, as the US growth outlook slowed with a more intense fiscal drag, the Fed has signalled easier policy with quantitative easing proposed to stem steady disinflation. In addition, the company's hydraulic motors will drive32 special tires that contact the648-foot diameter wheel, making it rotate at a constant speed of three times an hour. Remember, from the uniform circular motion. But while on the big day itself you'll be running at a constant, steady pace for a prolonged period, this is not the only way to train. To the moving observer on the train, the circle of light expanded equally on all sides. Avoid driving at a steady speed on highways. Even if our measurements show the same velocity over different sections, it may be asserted that the motion is uniform only with the degree of accuracy that the measurements were made with. Interval training burns more calories than any flat rate physical activity. If you move in the y direction, it decreases at a constant rate. If my car goes55 miles an hour on the highway and it's going a constant speed, it's not accelerating. What is uniform circular motion? An undisturbed object continues to move uniformly in a straight line. When I first started playing Angry Birds oh so many years ago, I had this feeling that after tapping the screen the yellow bird just went at a constant velocity. I tried to descend at an even speed but the gear soon heated up because of friction. When we’re bored, or moving slowly— for example, driving at constant speed across a monotonous landscape—it seems to pass at glacial speed. We have discussed that earlier when we dealt with the planets, and we dealt with uniform circular motions, and we evaluated the centripetal acceleration. Let's now turn to uniform circular motion. A body at rest will remain at rest and a body in motion remain in motion at a constant speed in a straight line, unless acted upon by an external force. Plodding mile after mile at the same speed won't help you reach your marathon potential and will become very dull. Setiawan and colleagues at Max Planck and the European Space Agency noticed that the star didn't move at a constant velocity relative to our sun. Over the past four quarters China’s economy has recorded what runners call“ even splits”, keeping a steady pace, lap after lap. In a given area, the worst will usually be over in four to six weeks as the virus rushes through a susceptible population, cases peak and infections decline with equal speed. In taking a step, it is the weight rolling smoothly and the next step arising. It is a mini marathon where I run evenly and ponder these cool and creative things in my head. The car kept an even speed. And so the center of mass will just laugh at us and ignore all these motions and will travel at a constant speed very nicely. The most reasonable assumption for Main Street is that health-care costs will either continue to grow at the same pace as for the past decade— or accelerate. A body can more uniformly and in a straight line,there being no cause to change that motion. A body can move uniformly and in a straight line, there being no cause to change that motion. |
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