the 1500 kg automobile is travelling up the 20 degree inclined at a speed of 6 m/s , if the driver wishes to stop his car in a distance of 5m , determine the frictional force at the pavement which must be supplied by the rear wheels.
Define projection of a line
how to prepare 1M,50ml buffer solution by taking Na2HPO4 and NaH2PO4.
Ji cos38' sec(90-2x)ji equal to 1 ,then angle 'x' is
Does a jellyfish reflect or refract light when it gives off light. If yes, can u please include a ray diagram
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