Physics, 15.09.2021 06:00 dfrtgyuhijfghj3496
có 1 hỗn hợp vàng, kẽm, bạc. Hãy nêu cách tác 3 kim loại đó ra, cho biết:nhiệt độ nóng chảy của 3 chất vàng, kẽm, bạc lần lượt là 1064 độ C,420 độ C,960 độ C.
Answers: 3
Physics, 22.06.2019 01:00
Avehicle has an oil leak that is causing the entire oil pan to be wet, but inspection reveals no exact source after cleaning off the oil residue. technician a says to install a fluorescent dye in the crankcase and operate the engine, then re-inspect for leaks with a special light (black light). technician b says the oil leak may be coming from a source at the top of the engine, such as a valve cover gasket. who is correct?
Answers: 1
Physics, 22.06.2019 05:30
James is trying to prove newton's 2nd law of motion. he tries to move four different objects with different masses, shapes, and sizes from point a to point b. the objects are a toy car, a car, a refrigerator, and a kitchen table. after some experimentation, he finds that force is dependent on the mass of the object, rather than it's size or shape. the object that takes the most force to move is the
Answers: 1
Physics, 22.06.2019 08:30
What object a collides with object b and bounces back its final momentum is?
Answers: 1
Physics, 22.06.2019 15:00
What happens when a rubber rod is rubbed with a piece of fur?
Answers: 1
có 1 hỗn hợp vàng, kẽm, bạc. Hãy nêu cách tác 3 kim loại đó ra, cho biết:nhiệt độ nóng chảy của 3 ch...
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