Physics, 24.03.2020 21:46 mparra4761
Two identical bubbles of gas form at the bottom of a lake, then rise to the surface, expanding as they rise (since the pressure is lower nearer the top of the lake). Bubble A rises very quickly, so no heat is exchanged with the water. Bubble B rises slowly, so that it always remains in thermal equilibrium with its surrounding water (which has the same temperature everywhere). Discuss which of the bubbles is larger by the time they hit the surface.
Answers: 3
Physics, 22.06.2019 03:30
What is the momentum of a 2 kg object moving at 15 meters per second
Answers: 1
Physics, 22.06.2019 21:30
Contrast the force of gravity between these pairs of objects: 1-kg mass and a 2-kg mass that are 1 m apart; a 1-kg mass and a 2-kg mass that are 2 m apart; and two 2=kg masses that are 1 m apart. i dont understand.
Answers: 3
Physics, 22.06.2019 22:20
A10-kg piece of aluminum sits at the bottom of a lake, right next to a 10-kg piece of lead, which is much denser than aluminum. which one has the greater buoyant force on it? explain. b - the aluminum a) both have the same buoyant force. b) the aluminum c) the lead d) it cannot be determined without knowing their volumes.
Answers: 1
Physics, 22.06.2019 22:30
The drag force, fd, imposed by the surrounding air on a vehicle moving with velocity v is given by fd = cdaρv 2/2 where cd is a constant called the drag coefficient, a is the projected frontal area of the vehicle, and ρ is the air density. an automobile is moving at v = 80 kilometers per hour with cd = 0.28, a = 2.3 m2, and ρ = 1.2 kg/m3.
Answers: 2
Two identical bubbles of gas form at the bottom of a lake, then rise to the surface, expanding as th...
Chemistry, 05.05.2020 12:52
History, 05.05.2020 12:52
Law, 05.05.2020 12:52
Mathematics, 05.05.2020 12:52
History, 05.05.2020 12:52
Mathematics, 05.05.2020 12:52
Mathematics, 05.05.2020 12:52
World Languages, 05.05.2020 12:52
Biology, 05.05.2020 12:52
Mathematics, 05.05.2020 12:52
Mathematics, 05.05.2020 12:52
Computers and Technology, 05.05.2020 12:52