Answers: 2
Physics, 21.06.2019 13:30, 214578
An air bubble of volume 20 cm³ is at the bottom of a lake 40 m deep, where the temperature is 4.0°c. the bubble rises to the surface, which is at a temperature of 20°c. take the temperature of the bubble’s air to be the same as that of the surrounding water. just as the bubble reaches the surface, what is its volume?
Answers: 1
Physics, 21.06.2019 18:40, JellalFernandes
An observer that stands still as the electron moves by him, will observe
Answers: 3
Physics, 22.06.2019 13:20, monkeygaming274
Ahanging spring stretches by 35.0 cm when an object of mass 450 g is hung on it at rest. in this situation, we define its position as x = 0. the object is pulled down an additional 18.0 cm and released from rest to oscillate without friction. what is its position x at a moment 84.4 s later? express your answer in cm.
Answers: 1
1.what is the force to be applied to a mass of 20 kg to produce an acceleration of 2ms-2?...
Mathematics, 22.07.2019 01:30
Mathematics, 22.07.2019 01:30