Atomic Structure: Equations

Question 1

Kinetic Energy & Velocity

Answer 1

• KE = (1/2)mv^2

• KE = kinetic energy
• m = mass (kg)
• v = velocity (ms^-1)

• v = √(2KE/m)

Question 2

Time of Flight

Answer 2

• t = d/v
• t = d/√(2KE/m)
• t = d √(m/2KE)