IGCSE Physics Formula All Verified

IGCSE Physics Formula All Verified 1. Define speed using the formula. - Speed = distance / time 2. Define acceleration using the formula. - Acceleration = change in velocity / time taken 3. Calculate the final velocity using the formula involving initial velocity and acceleration over time. - Final Velocity = initial velocity + (acceleration x time) 4. Express weight (in Newtons) using its formula involving mass and gravitational field strength. - Weight (N) = mass x gravitational field strength 5. Calculate force (in Newtons) using its formula involving mass and acceleration. - Force (N) = mass x acceleration 6. Calculate work done (in Joules) using the formula involving force and distance moved. - Work Done (J) = force x distance moved 7. Calculate gravitational potential energy (in Joules) using the formula involving mass, gravity, and height. - Gravitational Potential Energy (J) = mass x gravity x height 8. Calculate kinetic energy using its formula involving mass and speed squared. - Kinetic Energy = ½ x mass x speed² 9. Define power (in Watts) using the formula involving work done and time taken. - Power (W) = work done (J) / time taken (s) 10. Define efficiency using its formula involving useful energy and energy input. - Efficiency = useful energy / energy input 11. Calculate energy (in Joules) using the formula involving power and time. - Energy (J) = power x time 12. Describe Hooke's Law in terms of force applied to a spring. - Hooke's Law (Force) = constant x extension 13. Calculate the energy needed for a change in temperature (in Joules) using the formula involving mass, temperature change, and specific heat capacity. - Energy Needed (SHC) = mass x temperature change x specific heat capacity