Its just Calcium Flouride because as you can see it is an Ionic bond (Ca is metal and fl is a gas usually)
Answer:
The answer is "
"
Explanation:
Using the law of conservation for energy. Equating the kinetic energy to the potential energy.
Calculating the closest distance:


∑F = ma = (90 kg)(1.2 m/s²) = 108 N = 100 N (1 significant digit)
Acceleration is the rate at which an object picks up speed. deceleration is the rate at which an object loses speed.