Calculate the maximum force from impulse

Publish: 2021-05-09 14:38:29

1. The second question: in a period of rotation 2 Wu, of which 8 / 9 Wu in the magnetic field. And in the magnetic field is equivalent to a uniform magnetic field, so when in the magnetic field, there is no difference with the level of uniform motion in the magnetic field, subject to constant ampere force. So we don't use the effective value, and this current can't be called the maximum value, as long as the current is within 8 / 9 of the current. Third question: this equation is the formula for calculating the effective value, that is, I & # 178; RT = I, there are 178; RT t is the period and t is the rotation time in the internal magnetic field. If you are just beginning to learn alternator, take a good look at the textbook. If you are in senior three, you may not understand it at that time, but it doesn't matter. Come on

2. Inertia is the property of an object to keep its own motion state, which is only related to its own mass. The greater the mass, the greater the inertia, the smaller the mass and the smaller the mass. In Newton's second law, a = f / m, the acceleration is inversely proportional to the mass. The larger the mass is, the smaller the acceleration is, and the less easy it is to change the state of motion. The smaller the mass is, the greater the acceleration is, and the easier it is to change the state of motion
inertia is not a force. In fact, it can be understood as another way to explain acceleration. Do you understand? Give and take.

3. It seems that you want to study collision. That is to say, the impacted object does not move or deform. What can be used to calculate the force is impulse I = f · t. Or do you want to use kinetic energy E = f · s< In a word, I think you should study steadily according to the system

Many people will say that the collapse of international gold price is a signal of rapid economic growth, but I think it may be very pessimistic. The change of gold price is inevitably caused by the imbalance of supply and demand, so we must admit that the collapse of gold price may be a lot of money out of the gold market. Whether it is the stock market or the futures market, one of the key factors affecting the trend is the net outflow of funds. The imbalance between supply and demand affecting the price and the fall of gold price indicate that the amount of funds involved in the investment has been greatly reced and the supply exceeds the demand. Oversupply will lead to a large number of capital outflow, but not the full inflow, which will lead to a sluggish market environment. But the outflow of funds should be considered in two aspects

One country, one currency. If it is reasonable for this country to issue 100 million yuan of currency, whether from the perspective of market neutral interest rate or from the perspective of potential growth rate. Then the country will choose exactly 100 million, more than 100 million, or less than 100 million

most countries issue more money than they need

Why do most countries choose to issue as many currencies as possible? Because price increase is more acceptable than price decrease, some people vividly compare that the process of central bank easing is actually a process of economic water exchange. Mixed with water, it seems that there are many things, but the taste is weak. A can of honey diluted into many cans, we look at so many cans of confidence is enough

So when does gold collapse? One is that gold is replaced as an international investment proct, such as a digital currency. At present, there is no such danger. Another situation is the substantial appreciation of the US dollar, and the Americans are not relaxed and are tightening to a certain extent. Both can be achieved

but the probability of gold collapse is very small. In today's economic stage. We see a global easing trend. There is no fundamental change

6. I haven't heard of this one. HTC also released a blockchain mobile phone overseas yesterday. It only knows that it is used as a wallet for secure encryption of virtual currency. It doesn't know what other functions are, and it doesn't seem to support mining.

7. Play off cloud, is used for mining thunderbolt, turn above sell after 10 days will automatically confirm receipt!

8. Buy down sell up

9. It's better to go to CDC directly than to the hospital. After all, it's professional. When you go to the local CDC for examination, you usually draw blood... The results will be informed in time

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Calculate the maximum force from impulse

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