AND ANSWERS WITH SOLUTIONS 2024
Speed - ANSWER distance / time
Acceleration - ANSWER change in velocity / time taken
Final Velocity - ANSWER original velocity + (acceleration x time)
Weight (N) - ANSWER mass x gravitational field strength
Force (N) - ANSWER mass x acceleration
Work Done (J) - ANSWER force x distance moved
Gravitational Potential Energy (J) - ANSWER = mass x gravity x height
Kinetic Energy - ANSWER ½ x mass x speed²
Power (W) - ANSWER = work done (J) / time taken (s)
Efficiency - ANSWER = useful energy / energy input
Energy (J) - ANSWER power x time
Hooke's Law (Force) - ANSWER constant x extension
(SHC) Energy Needed - ANSWER mass x temperature change x specific heat capacity
(Waves) Speed - ANSWER frequency x wavelength
Resistance - ANSWER voltage / current
Power (W) (circuits) - ANSWER voltage x current
Energy Transformed (J) (circuits - ANSWER voltage x current x time
Charge - ANSWER current x time
input voltage / output voltage - ANSWER turns on input coil / turns on output coil
Density - ANSWER mass / volume
Pressure - ANSWER force / area