Physics, 05.05.2020 21:27 mle531588

Two circular disks each with moment of inertia 11 and 12 are equal mass m are rotating about a horizontal frictionless axle through their centers with angular velocities w1 and w2.if the 2nd disk slip to the left and attached to the 1st one
find (a) The angular velocity after the attachment
(b)the ratio of the rational final KE to the initial KE

Answers: 2

Show answers

Another question on Physics

Physics, 21.06.2019 22:30

A-4.60 μc charge is moving at a constant speed of 6.80×105 m/s in the +x−direction relative to a reference frame. at the instant when the point charge is at the origin, what is the magnetic-field vector it produces at the following points.

Answers: 3

Answer

Physics, 22.06.2019 16:30

In which type of system is power held solely by the central government and not shared with regional governments? group of answer choices federal unitary confederate oligarchic

Answers: 1

Answer

Physics, 22.06.2019 19:40

Currents in dc transmission lines can be 100 a or higher. some people are concerned that the electromagnetic fields from such lines near their homes could pose health dangers. for a line that has current 150 a and a height of 8.0 m above the ground, what magnetic field does the line produce at ground level? express your answer in teslas and as a percentage of the earth’s magnetic field, which is 0.50 g. is this value cause for worry?

Answers: 1

Answer

Physics, 23.06.2019 00:00

You are driving to the grocery store at 20 m/s. you are 110m from an intersection when the traffic light turns red. assume that your reaction time is 0.50s and that your car brakes with constant acceleration. how far are you from the intersection when you begin to apply the brakes? what acceleration will bring you to rest right at the intersection? how long does it take you to stop after the light changes? the known values: vi=20m/s xi=110m t=.50s vf=0m/s xf=0m a=?

Answers: 3

Answer

You know the right answer?

Two circular disks each with moment of inertia 11 and 12 are equal mass m are rotating about a horiz...

Questions