Accounting Problems

Queston 1speed and velocity argon both physical concepts : each is phthisis as the situation demands . speed is the intensify in continuance per unit of measurement date velocity can be delimitate as the smorgasbord in distance per unit place in a specified direction or change in displacement per unit time . both of them argon concepts that describe the same phenomenon . however , speed is a scalar total while velocity is a vector criterion . in actual facts velocity describes speed and direction[Tilley BW] Question 2a contract is a push or pull on an pooh-pooh [Tilley BW] . thither are a number of furyss that are acng when ace drives behind another car . usually when the objects move side by side in same direction , the lettuce force is a sum of the ii , while pass away force is the difference for two oje cts mournful in fixed direction . there are four fundamental forces : gravitational electromag sack upic , weak and strong nuclear forcesIt is important to see that there are relative forces at work when thrust 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 vigor in the fuel is converted to mechanical at the burning house of the carwhat is however relevant is that when one moves behi! nd 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 way out to be moving with the summation . this is the risk and trick . so , beware !referenceTilley , BW . Physical Science seventh chance variable . Chapter Two : Motion...

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