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# Success in Maths and Science unlocks opportunities

 Physical Quantities Quantity Unit name Unit symbol Amplitude (A) metre $$\text{m}$$ Atomic mass unit (amu) u $$\text{u}$$ Average acceleration ($$\vec{a}_{\text{av}}$$) metre per second squared $$\text{m·s^{-2}}$$ Average speed ($$v_{\text{av}}$$) metre $$\text{m}$$ Average velocity ($$\vec{v}_{\text{av}}$$) metre per second $$\text{m·s^{-1}}$$ Charge (Q) coulomb $$\text{C}$$ Concentration (C) mol per decimetre cubed $$\text{mol·dm^{-3}}$$ Current (I) ampere $$\text{A}$$ Density (d) grams per centimetre cubed $$\text{g·cm^{-3}}$$ Displacement ($$\Delta x$$) metre $$\text{m}$$ Distance (D) metre $$\text{m}$$ Energy (E) Joule $$\text{J}$$ Frequency (f) Hertz $$\text{Hz}$$ Instantaneous acceleration ($$\vec{a}$$) metre per second squared $$\text{m·s^{-2}}$$ Instantaneous speed ($$v_{\text{av}}$$) metre per second $$\text{m·s^{-1}}$$ Instantaneous velocity ($$\vec{v}$$) metre per second $$\text{m·s^{-1}}$$ Intensity (I) deciBel $$\text{dB}$$ Magnitude of acceleration (a) metre per second squared $$\text{m·s^{-2}}$$ Mass (m) gram $$\text{g}$$ Molar mass (M) gram per mol $$\text{g·mol^{-1}}$$ Mole (n) mole $$\text{mol}$$ Period (T) second $$\text{s}$$ Position (x) metre $$\text{m}$$ Potential difference (V) Volt $$\text{V}$$ Pulse speed (v) metre per second $$\text{m·s^{-1}}$$ Resistance (R) Ohm $$\text{Ω}$$ Temperature (T) degrees $$\text{°}$$ Volume (V) decimetre cubed $$\text{dm^{-3}}$$ Wavelength (λ) metre $$\text{m}$$ Wavespeed (v) metre per second $$\text{m·s^{-1}}$$