5. A car travels from stop A to stop B with a speed of 30 km/h and return bac to A with speed of
50 km/h. Find
(i) displacement of the car.
(ii) distance travelled by the en
(iii) average speed of the car.
istance travelled by the car.
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Chalk is a soft, white, porous, sedimentary carbonate rock, a form of limestone composed of the mineral calcite. Calcite is an ionic salt called calcium carbonate or CaCO3.
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