In more and more countries, people choose to give money on special occasions rather than giving gifts chosen personally. Why might this be the case? Is it a positive or a negative development? Give reasons for your answer and include any relevant examples from your own knowledge or experience...
Not freezing to death is a pretty good motivator for any animal to get crafty, but our big primate brains took it one step further with igloos.不被冻死是所有动物变灵巧的动力之一，但是人类的大脑更前进了一步，想出了冰屋。Their engineering maximizes warmth and stability.人类最大化雪花的保暖功能...
Work and energy are related concepts in physics. Energy is the ability to move an object. Work is the force exerted on an object in the direction it moves times the object's displacement.Answer and Explanation: Power is also related to work and energy. Power is defined as the rate at ...
Since the change in kinetic energy, which is the energy or work (W) done in order to accelerate the object, is known and the time (t) it took for the... Learn more about this topic: Power in Physics | Definition, Equation & Ex...
P=(2.0 A)2(5.0 Ω) Step 4: Calculate the power dissipated. P=(2.0 A)2(5.0 Ω)=20 W This result tells us that the power dissipated in the resistor for the given values is 20 Watts. Get access to thousands of practice questions and explanations! Create...
20. is easy for the boy in the river. A. That; to swim B. It; to swim C. It; standing D. That; standing 二. 单词拼写(单句首字母填空)(共10小题;共10分) 21. Our country has done something to stop population ...
The European nation’s energy revolution has made it a leader in replacing nukes and fossil fuels with wind and solar technology.
to become an electrical power engineer. In order to excel as an electrical power engineer, one needs to be curious enough to search for hows and whys about the phenomenon occurring in the electrical power field. Candidates with a strong curiosity and interest in knowing the whereabouts of the ...
What is power ? How do you differentiate killowatt from kilowatt hour ... 02:44 How is the power related to the speed at which a body can be lifted ?... 02:29 Define watt. Express kilowatt in terms of joule per second. A 150 kg c... 05:02 Compare the power at which each of...
How to learn English well作文 1 study has been part of our life. For some people, they believe that live and learn is the right attitude to life. I agree with it. As we have so many things to learn, it is important to learn with efficiency. There are many suggestions in the followi...