2989428
Description
Flashcards by Connie Ndoro, updated more than 1 year ago
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Created by Connie Ndoro
over 9 years ago
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| Question | Answer |
| AREA | Length × width side×side 1/2bh or1/2 absin¤ (¤← theatr a.k.a the given angle) |
| VOLUME | Length x width x height cubic metres |
| What is The formula for calculating DENSITY? | mass ÷ volume (kg/m-3) |
| what is the formula for calculating SPEED? | Distance ÷ time (m/s ) |
| what are the formulae for Calculating ACCELERATION ? | s: distance travelled u: initial velocity (m/s ) v: final velocity (m/s) a: acceleration(m/s ^2) t: time taken(s) change in velocity ÷ time a=V- U ÷ t V = u + at Average speed = t(u+v) ÷2 s =ut +1/2 at ^2 v^2 = U + 2as |
| what is the formula for calculating FORCE? | Mass x acceleration(l<g/m s^2) or Mass × distance from the pivot (N) |
| what is the formula for calculating PRESSURE? | force x area (Pascals (Pa)) |
| what is the formula for calculating WORK? | f orcex distance (joules (j )) |
| what is to formula for calculating POWER? | work × time or |
| what is PHYTHAGORUS THEOREM? | c^2 =a^2+b^2 |
| How does one calculate GRADIENT ? | change in y axis ÷Change in x axis |
| How does one calculate WEIGHT? | mass × acceleration due to gravity. w=mg ( g= 9,81 m/s but is normally written as 10 M/s) |
| How do you calculate GRAVITATIONAL FIELD STRENGTH? | weight ÷ mass |
| How does one calculate UNIT EXTENSION of A SPRING ? | k constant ( unit extension) = force ÷extension or cweight)force = kx |
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