Physics Equations and Unit Conservation
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What’s the Equation For Kinetic Energy?
• 0.5 x Mass (kg) x (Speed)² (m/s)
Whats The Equation for Gravitational potential?
• Mass (kg) x Gravitational field Strength (N/kg) x Height (m)
Whats The Equation for elastic potential energy?
• 0.5 x Spring constant (N/m) x (Extension)² (m)
Whats The equation for change in thermal energy?
• Mass (kg) x Specific heat capacity (J/kg℃) x Temperature Change (℃)
What’s the Equation for Specific Heat capacity?
• Change in Thermal energy (J) ÷ Mass (kg) x Temperature change (
What are the 2 Equation for power?
• 1) Energy transferred (J) ÷ Time (s) • 2) Work done (J) ÷ Time (s)
What’s the equation of a period of a wave?
• 1 ÷ Frequency
What’s the equation of Wave speed?
• Frequency (Hz) x Wavelength (m)
Write down the equation for speed?
• Speed = Distance (m) ÷ time (s)
Write down the equation for acceleration?
• Acceleration (m/s²) = Change in velocity (m/s) ÷ time taken (s)
What are the standard units for speed in physics and how many metres are in a km?
• The standard unit for speed in physics is mph. • There are 1,000 metres in a km.
Write down the equation for Resultant force?
• Resultant Force (N) = Mass (Kg) x Acceleration (m/s²)
What’s the equation to work out weight?
• Weight (N) = Mass (Kg) x Gravitational Field strength (N/Kg)
Write Down the overall stopping distance?
• Stopping Distance = Thinking distance + Braking distance
What’s the Equation to work out The force of the spring?
• Force (N) = Spring Constant (N/m) x Extension (m)