I. A car of mass 1200 kg moves up a straight road. The road is inclined to the horizontal at an angle a where s na=1/(15) . The car is moving up the road with constant speed 10 m s-'and the engine of the car is working at a constant rate of 11 760 watts. The non-grav...
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Trump: I Warned Netanyahu Not to Attack Iran, 'It Is Not Appropriate' 5 Yes to Transfer: 82% of Jewish Israelis Back Expelling Gazans 6 Analysis| The Most Dangerous and Likely Scenario, Led by Israel, for Postwar Gaza: Anarchy ICYMI ...
reflecting the vibrant charm of Osaka Bay. Through intangible cultural heritage performances, tourism promotions, and economic and trade exchanges, the event painted a vivid picture of a city where tradition
解析 C 熔融铁水的温度通常需要较高以确保保持液态。铁水的实际温度受成分影响,但高炉出铁时的温度一般在1300℃以上。选项C(>1250℃)符合实际生产温度,选项B(1100-1200℃)温度偏低可能导致凝固,选项A(<1100℃)远低于熔点。题目完整且答案明确,故选C。
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We firmly believe that ethical conduct is the most essential virtue of any academic activity. Hence any act of plagiarism is a totally unacceptable academic misconduct and cannot be accepted. Deadline: Please submit your parti...
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Hence, when work is performed on an object, the rate at which the work is performed with respect to time, is defined as the power delivered to the object. The S.I unit of Power is Watt (W).Answer and Explanation: We ...
I’ve actually done all three of the routes because I trekked the nearby Manaslu Circuit earlier this year. Helicopter: These days many mountaineers can afford to fly into Samagaun via helicopter, which is the town beneath base camp. The flight runs directly from Kathmandu and you just need...