1. Julia (50kg) is swinging back and forth. At the top of her swing, she is 2 meters above the ground. How fast is she
moving when she is at position B?
sfenri
Towjout
=
Final Enerty
Initial Energy
+
mgh
+
mgh
Eqn.
+
Simplify
Answer
Solve

Because atoms of elements in the same group of thbecause atoms of elements in the same group of the periodic table have the same number of neutrons, they have similar properties. select the best answer from the choices provided t fe periodic table have the same number of neutrons, they have similar properties. select the best answer from the choices provided t f