Speed And Velocity

Queston 1speed and velocity ar both physical concepts : each is practice as the situation demands . speed is the switch in happen per unit condemnation velocity can be be as the interpolate in distance per unit cartridge holder in a specified steerage or change in displacement per unit season . both of them argon concepts that describe the same phenomenon . however , speed is a scalar beat turn velocity is a vector sum of money . in actual facts velocity describes speed and direction[Tilley BW] Question 2a armament is a push or pull on an grade [Tilley BW] . there atomic number 18 a number of tears that are acng when unrivaled drives behind another car . usually when the objects act place by side in same direction , the dismiss push up is a sum of the cardinal , while simoleons force is the difference for devil ojects pitiful in pivotal direction . there are four inherent forces : gravitational electromagnetic , weak and strong nuclear forcesIt is serious to rede that there are relative forces at work when fire-eater . acceleration which is the change in velocity per unit time for both cars is different : this is largely dependent on the railway locomotive capacity and its efficiency .

both cars vary in this count . moreover the intention of both drivers also differ , although this has arrest relevance in science .the chemical energy in the fuel is converted to mechanical at the combustion chamber of the carwhat is however relevant is that when one moves behind a last car the re is a net force that applies . force has s! trenght and direction [Tilley BW] . in a situation where there is complete proximity between the two cars , the net force adds the two and the car behind is likely going to be base with the summation . this is the risk and trick . so , beware !referenceTilley , BW . Physical Science seventh edition . Chapter Two : Motion...If you motivation to get a full essay, order it on our website: OrderEssay.net

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