The weight of a 100 n laser printer is spread over 0.5m2. what is the pressure it exerts?
a) 50 n/m2
b) 200 n/m2
c) 500 n/m2

Calculate the mass of an object that has a momentum of 100kg x m/sec and velocity of 4 m/sec

The air that we breath is made mostly of which gaseous molecule

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