The right answer to this question is A. a crest that is toppling over. When a surfer rides an ocean wave on her surfboard, she is actually riding on a crest. The crest is the point on a wave with the maximum value or upward displacement within a cycle.
Na is in the first column on the periodic table so therefore it would have 1 valence electron
D 1
Answer:
Equilibrium. • When an object is in equilibrium (either at rest or moving with constant velocity), the net force acting on it zero.
Potential energy because it has enough energy to do work but non has been done yet.
Answer:
Q=mc(T2-T1)
Explanation:
Ti is the temperature
m is mass
c is specific heat capacity for steam
Q is heat, [Q]=J
