Changes

|[[File:dtGraphCalculation1dtGraphCalculation4.png|center|300px]]|[[File:dtGraphCalculation2dtGraphCalculation5.png|center|300px]]

| style="height:20px; width:300px; text-align:left;" |'''Calculate the [[speed ]] of the object in this 80 second the first 10 seconds of the journey.''': distance = 200[[m]]: time = 10[[s]]:<math>v= {\frac{distance}{time}} </math>:<math>Speed = {\frac{200}{10}} </math>:<math>Speed = 20m/s </math>| style="height:20px; width:300px; text-align:left;" |'''Calculate the [[speed]] of the object in the first 10 seconds of the journey.''': distance = 70[[m]]: time = 10[[s]]:<math>Speed = {\frac{distance}{time}} </math>:<math>Speed = {\frac{70}{10}} </math>:<math>Speed = 7m/s </math>|} {| class="wikitable"|-|[[File:dtGraphCalculation4.png|center|300px]]|[[File:dtGraphCalculation5.png|center|300px]]|-| style="height:20px; width:300px; text-align:left;" |'''Calculate the average [[speed]] of the [[object]] over the entire journey.'''

:<math>Speed v= {\tfracfrac{distance}{time}} </math>:<math>Speed = {\tfracfrac{400}{80}} </math>

| style="height:20px; width:300px; text-align:left;" |'''Calculate the speed of the object in the first 20 seconds.''': distance = 400average [[m]]: time = 20[[s]]:<math>Speed = {\tfrac{distance}{time}} </math>:<math>Speed = {\tfrac{400}{20}} </math>:<math>Speed = 20m/s </math>|-|[[File:dtGraphCalculation2.png|center|300px]]|[[File:dtGraphCalculation2.png|center|300pxspeed]]|-| style="height:20px; width:300px; text-align:left;" |'''Calculate the speed of the object between 20 and 80 seconds.''': distance = 100[[m]]: time = 60[[sobject]]:<math>Speed = {\tfrac{distance}{time}} </math>:<math>Speed = {\tfrac{100}{60}} </math>:<math>Speed \approx 1.7m/s </math>| style="height:20px; width:300px; text-align:left;" |'''Calculate the average speed of over the object for its entire journey.'''

:<math>Speed = {\tfracfrac{distance}{time}} </math>:<math>Speed = {\tfracfrac{500}{80}} </math>