Why is the study of black holes important?

Aturntable a is built into a stage for use in a theatrical production. it is observed during a rehearsal that a trunk b starts to slide on the turntable 10 s after the turntable begins to rotate. knowing that the trunk undergoes a constant tangential acceleration of 0.31 m/s2, determine the coefficient of static friction between the trunk and the turntable.

In what direction does an applied force move an object

Which lists the pairs of plates in order from least to greatest in terms of the work done to move the electron?