When an oxygen atom forms an ion, it gains two electrons. what is the electrical charge of the oxygen ion?
a.
-1
b.
-2
c.
+2
d.
+1

Player kicks a soccer ball from ground level and sends it flying at an angle of 30 degrees at a speed of 26 m/s. what is the horizontal velocity component of the ball to the nearest tenth of a m/s?

How to tell if two objects are in thermal equilibrium 1.the objects have the same temperature 2.the objects are the same size 3.the objects are touching each other 4.the objects temperatures are changing

Acar is traveling 35 mph on a smooth surface . if a balanced force is applied to the car what happens?