An ice skater starts with a velocity of 2.25 m/s in a 50.0°
direction. After 8.33 s, she is
moving 4.65 m/s in a 120°
direction. What is the
y-component of her acceleration?

This is the answer of your question

Is there any opitions? if you have the periodic table, the noble gases are 8a family, the halogen are the 7a family, and the nonmetal are  carbon, nitrogen, phosphorus, oxygen, sulfur, selenium, fluorine, chlorine, bromine, iodine and astatine.

Ithink it’s: light bounce if off a mirror