Avariable that is described using both a number and a direction is called

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.

70 give a real life example showing how sensory neurons work with the motor neurons

What are the necessary conditions for fusion?