Physics, 09.09.2021 08:50 callieroberts7603
khi đặt hai đầu dây dẫn một hiệu điện thế 12V THÌ CƯỜNG ĐỘ DÒNG ĐIỆN qua dây dẫn là 0,4A Nếu đặt một hiệu điện thế là 18V vào hai đầu dây dẫn thì cường độ dòng điện là bao nhiêu
Answers: 1
Physics, 21.06.2019 20:50
An airplane flies eastward and always accelerates at a constant rate. at one position along its path it has a velocity of 34.3 m/s, it then flies a further distance of 40100 m and afterwards its velocity is 47.5 m/s. find the airplane\'s acceleration and calculate how much time elapses while the airplane covers those 40100 m.
Answers: 1
Physics, 21.06.2019 21:30
Apendulum has a mass of 1.5 kg and starts at a height of 0.4 m. if it is released from rest, how fast is it going when it reaches the lowest point of its path? acceleration due to gravity is g = 9.8 m/s2. a. 2.8 m/s b. 0 m/s c. 5.9 m/s d. 4.3 m/s
Answers: 1
Physics, 22.06.2019 12:30
As part of your daily workout, you lie on your back and push with your feet against a platform attached to two stiff springs arranged side by side so that they are parallel to each other. when you push the platform, you compress the springs. you do an amount of work of 79.0 j when you compress the springs a distance of 0.230 m from their uncompressed length. (a) what magnitude of force must you apply to hold the platform in this position? (b)how much additional work must you do to move the platform a distance 0.230 m farther? (c) what maximum force must you apply to move the platform a distance 0.230 m farther?
Answers: 1
khi đặt hai đầu dây dẫn một hiệu điện thế 12V THÌ CƯỜNG ĐỘ DÒNG ĐIỆN qua dây dẫn là 0,4A Nếu đặt một...
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