Physics, 21.04.2020 22:24, laniflower737
There is a plate with moment of inertia Ip = 0.0711 kgm2 , rotating around its center of mass with angular speed of 4.53 rad/s. You carefully put a ring with moment of inertia Ir = 0.0353 kgm2 , on the plate, center to center of plate and they rotate with same angular speed later. Ignore all the friction other than the one between the plate and the ring. Please (a) calculate their common angular speed; (b) the kinetic energy loss during this process.
Answers: 3
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There are two-speed cameras, one in an are where the speed limit is 30 km/h and another where the speed limit is 50 km/h. in which will there be a smaller time interval between the photographs? explain your answer.
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