Physics, 16.06.2021 16:50 xxcooleduardo787xx
cho dòng điện I= 10A chạy qua dây dẫn thẳng dài, đoạn giữa được uốn thành vòng bán kính 2,0 cm , đặt trong không khí. Cảm ứng từ tại tâm của òng tròn là bao nhiêu?
Answers: 3
Physics, 22.06.2019 10:30
The precision of a laboratory instrument is ± 0.05 g. the accepted value for your measurement is 7.92 g. which measurements are in the accepted range? check all that apply. 7.85 g 7.89 g 7.91 g 7.97 g 7.99 g
Answers: 1
Physics, 22.06.2019 11:00
1. jay fills a wagon with sand (about 20 kg) and pulls it with a rope 30 m along the beach. he holds the rope 25° above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?
Answers: 1
Physics, 22.06.2019 14:00
Agraduated cylinder contains 63.0 ml of water. a piece of gold, which has a density of 19.3 g/ cm3, is added to the water and the volume goes up to 64.5 ml. calculate the mass in grams of the gold that was added to the water. explain how you got your answer.
Answers: 3
Physics, 22.06.2019 14:30
What was the first instrument to ever record an earthquake?
Answers: 1
cho dòng điện I= 10A chạy qua dây dẫn thẳng dài, đoạn giữa được uốn thành vòng bán kính 2,0 cm , đặt...
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