amy has a mass of 30 kg, and she is riding a skateboard traveling 5 m/s. what is her momentum?
5 kg*m/s
6 kg*m/s
30 kg*m/s
150 kg*m/s

Which element in the third period would you expect to have the larger atomic radius, sodium (na) or sulfur (s)? a. sodium, because it has a higher effective nuclear charge attracting electrons in fewer energy levels. b. sodium, because it has fewer protons attracting electrons in the same energy levels. c. sulfur, because it has more protons attracting electrons in more energy levels. d. sulfur, because it has a higher effective nuclear charge attracting electrons in the same energy levels.

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.