A body accelerates from rest at a constant ratefor some time after which it decelerates at a rate ofto come to rest. If the total time taken by the body isdetermine themaximumvelocity attained...

A body accelerates from rest at a constant rate






















for some time after which it decelerates at a rate of













to come to rest. If the total time taken by the body is























determine the







maximum








velocity attained in terms of

























ANSWER 3 QUESTIONS ONLY.D B0 V/ms-1 C0 A E0 t/s I. Explain the physics behind the diagram. II. Give the meaning of the letters in the diagram. III. Define A, B and C you have stated in Q2a(II). Answer the following questions. I. What are the graphs of motion. II. What is the velocity time graph when the acceleration is constant. III. Explain what happen when to velocity time graph with increasing acceleration. F G StressD C E B A <1% 30% strain from the above diagram, answer the following questions. i. identify the above diagram. ii. identify the meaning of the letters in the diagram above. iii. define each of the letters in q1a(ii). i. explain the physics behind the curve ii. define the term “elastic material. a b c d i. explain the physics behind the diagram. ii. identify the symbols in the diagram. iii. derive the expressions for b and c. explain i. what happens at b. ii. when a body is projected down the plane. iii. when a body is projected up the plane. a cannon ball is fired with an initial velocity of 125ms-1. what was the angle launched if the range of the cannon ball was 355m and the time of flight was 6.2s. study the velocity-time graph of a car and answer the following questions. i. what is the maximum speed attained by the car. ii. which part of the graph shows zero acceleration. iii. what type of motion is represented by bc. iv. calculate the acceleration of the car from c to d. v. during what time interval is the object moving at a constant speed. vi. does the area of the graph have any meaning? what is that? vii. what is the average acceleration of the car from t = 1.0 hours to t = 7 hours? viii. find the distance travelled by the car during the time interval of 3hours to 8hours. 2 | page 30%="" strain="" from="" the="" above="" diagram,="" answer="" the="" following="" questions.="" i.="" identify="" the="" above="" diagram.="" ii.="" identify="" the="" meaning="" of="" the="" letters="" in="" the="" diagram="" above.="" iii.="" define="" each="" of="" the="" letters="" in="" q1a(ii).="" i.="" explain="" the="" physics="" behind="" the="" curve="" ii.="" define="" the="" term="" “elastic="" material.="" a="" b="" c="" d="" i.="" explain="" the="" physics="" behind="" the="" diagram.="" ii.="" identify="" the="" symbols="" in="" the="" diagram.="" iii.="" derive="" the="" expressions="" for="" b="" and="" c.="" explain="" i.="" what="" happens="" at="" b.="" ii.="" when="" a="" body="" is="" projected="" down="" the="" plane.="" iii.="" when="" a="" body="" is="" projected="" up="" the="" plane.="" a="" cannon="" ball="" is="" fired="" with="" an="" initial="" velocity="" of="" 125ms-1.="" what="" was="" the="" angle="" launched="" if="" the="" range="" of="" the="" cannon="" ball="" was="" 355m="" and="" the="" time="" of="" flight="" was="" 6.2s.="" study="" the="" velocity-time="" graph="" of="" a="" car="" and="" answer="" the="" following="" questions.="" i.="" what="" is="" the="" maximum="" speed="" attained="" by="" the="" car.="" ii.="" which="" part="" of="" the="" graph="" shows="" zero="" acceleration.="" iii.="" what="" type="" of="" motion="" is="" represented="" by="" bc.="" iv.="" calculate="" the="" acceleration="" of="" the="" car="" from="" c="" to="" d.="" v.="" during="" what="" time="" interval="" is="" the="" object="" moving="" at="" a="" constant="" speed.="" vi.="" does="" the="" area="" of="" the="" graph="" have="" any="" meaning?="" what="" is="" that?="" vii.="" what="" is="" the="" average="" acceleration="" of="" the="" car="" from="" t="1.0" hours="" to="" t="7" hours?="" viii.="" find="" the="" distance="" travelled="" by="" the="" car="" during="" the="" time="" interval="" of="" 3hours="" to="" 8hours.="" 2="" |="">