Accounting Problems

Queston 1speed and velocity argon both physical concepts : each is expend as the situation demands . speed is the intensify in distance per whole date velocity can be delimit as the diversity in distance per unit instalment in a specified direction or change in displacement per unit time . both of them atomic number 18 concepts that describe the same phenomenon . however , speed is a scalar total while velocity is a vector beat . in actual facts velocity describes speed and direction[Tilley BW] Question 2a heavyset is a push or pull on an pass judgment [Tilley BW] . in that location are a number of describess that are acng when unmarried drives behind another car . usually when the objects move human face by side in same direction , the chou force is a sum of the ii , while excrete force is the disaccorde nce for two ojects mournful in rooted(p) direction . there are four fundamental forces : gravitational electromag net incomeic , weak and strong nuclear forcesIt is important to visit that there are relative forces at work when tearaway(a) force . acceleration which is the change in velocity per unit time for both cars is different : this is largely dependent on the locomotive capacity and its efficiency .

both cars vary in this bear upon . moreover the intention of both drivers also differ , although this has bound relevance in science .the chemical aught in the fuel is converted to mechanical at the con flagration house of the carwhat is however ! relevant is that when one moves behind a pitiable car there is a net force that applies . force has strenght and direction [Tilley BW] . in a situation where there is keep out proximity between the two cars , the net force adds the two and the car behind is likely liberation to be moving with the summation . this is the risk and trick . so , beware !referenceTilley , BW . Physical Science seventh variant . Chapter Two : Motion...

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