Physics, 21.01.2020 20:31 imaboss10986
Two disks of identical mass but different radii (r and 2r) are spinning on frictionless bearings at the same angular speed ? 0, but in opposite directions. the two disks are brought slowly together. the resulting frictional force between the surfaces eventually brings them to a common angular velocity.
a) what is there final angular speed?
b) what is the change in the rotational kinetic energy?
Answers: 1
Physics, 22.06.2019 06:50, tessalopezgarcia2345
Much of the information taught in earth-space science would not be available if it weren’t for our remote sensing abilities. explain two ways our remote sensing strategies contribute to our knowledge of these topics.
Answers: 3
Physics, 22.06.2019 14:00, mariahgriego4126
Why is rain likely when warm, moisture-laden air meets cold air? a) the lighter warm air will rise and cool down, causing condensation and rain. b) the cold air moves faster and pushes the warm air away, causing condensation and rain. c) the moisture in the warm air condenses on contact with the cold air, causing rain to fall. d) the cold air mixes with the warm air, reducing its temperature causing moisture to condense.
Answers: 1
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