The acceleration of this system is 1.5m/s/s. The mass of Block B is 8kg and the coefficient of friction is 0.45, what is the mass of block A

Which surface feature of the moon is characterized by mountainous areas? terrae craters maria regolith

Idon’t quite understand this problem

Although longitudinal waves can travel through all media types what is the disadvantage of this type of wave transmission? a) he efficiency of he wave transmission is greatly diminished as the media becomes less dense b) the oscillation of one set of particles has a huge impact on neighboring particles c) particles become too close together as they bump into each other making it more likely to hit other particles down the line