A student on a skateboard with a combined mass of 78, 2kg, is
moving east at 1.6 m/s. As he goes by the learner skillfully scoops his
6 4kg school bag from the
the bench where he had left it. Calculate the velocity of the learner immediately after the pick up.
his​

The image shows the positions of a car on a roller coaster track. arrange the cars in order based on their gravitational potential energy. begin with the lowest potential energy and end with the highest.

Which of the following are not typically included in the periodic table? a. atomic mass b. element symbol c. isotopes d. number of electrons

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