If you sit both the ring and the disc on the rotary sensor, how do you compute the total moment of inertia of the combination?. Would you expect a to increase or decrease?

Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.

What is the relationship between globular clusters and the milky way?

How does changing the frequency affect the energy of the wave?