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paper 1 - physics (equations (weight (N) = mass(KG) * 9.8 (N/Kg), force on…
paper 1 - physics
equations
weight (N) = mass(KG) * 9.8 (N/Kg)
force on a spring (N) = spring constant (NM) * extension (M)
G.P.E (J) = mass (Kg)
9.8
height (m)
efficiency = useful energy / total energy
charge flow (C) = current (A) * time (s)
power (W) = current (A) * potentail diffrence (V)
power = current2 * resistance
energy transfered (J) = power (W) * time (s)
density = mass / volume
potentail diffrence = current * resistance
energy transfered = charge flow * potentaial diffrence
energy stores
thermal
gravatatinol
chemical
elastic
electrical
sound
nuclear
kinetic
change to store
energy transfer
conservation of energy - energy can not be created or destroyed only transfered
sankey diagram
specific heat capacity
energy required to heat 1Kg of substance by 1 dagree
energy = mass
specific heat capacity
change in temp