Science 0.0 / 5 ? ScienceRevision Years 7-9 (KS3)AQA Created by: Sienna1235Created on: 10-06-21 16:35 How can we calculate efficiency? efficiency=useful output divided by total input 1 of 6 How do we turn our answer into a percentage? times it by 100 2 of 6 how can we calculate kinetic energy? kinetic energy = 0.5 x mass x (speed) (squared) 3 of 6 how can we calculate elastic potential energy? G.P.E = mass x gravitational field strength x height 4 of 6 how can we calculate power? power = energy transferred divided by time 5 of 6 how do you find the mass of an object? use a balance 6 of 6
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