Page 69 - eEISBN FINALIZE
P. 69

During acceleration:    = 0,    = 9.8      −1 ,    = 0.6     −2


                      2
                  =    + 2    
                 2
                              1
                          2
                    2
               (9.8) = 0 + 2(0.6)  
                                     1
                     (9.8) 2
                  =
                1
                    2(0.6)
                  =     .        
                1

               During decelaration:    = 9.8      −1 ,    = 0,    = 20  

                    1
                  = (   +   )  
                3
                    2
                    1
                  = (9.8 + 0)20
                3
                    2
                  =        
                3


                                             Hence,

                  =    +    +   
                  
                                3
                           2
                      1
                  = 80.03 + 2700 + 98
                  
                  =            
                  

        ii.     Suppose:The amount of time taken, tT.

                During time acceleration, s1.

               The current time uniform velocity, s2


               The current time decelaration, S3 = 20 s.


                  =    +    +   
                      1
                           2
                  
                                 3

               During acceleration:     =    +     
                                                1
               9.8 = 0 + (0.6)  
                                1
                    9.8
                  =
                1
                    0.6
                                                          =     .        
                                                        1



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