Answer:
a) 42.9 m/s
b) 41.6m
Explanation:
a)
solving the eq we get
v=42.9 m/s
b) <em>here,</em>
when put in y(t) it gives y=44.6 m so result is
h=44.6-3= 41.6m
Answer:
West
Explanation:
This is because the first caar has more mass
Answer: Elements in the same period have the same number of electron shells; moving across a period ( elements gain electrons and protons and become less metallic. This arrangement reflects the periodic recurrence of similar properties as the atomic number increases.