Mark Item Specific behaviours allocation Partitions the algebraic fraction before integrating 1 simple Simplifies fractional indices when dividing 1 simple Simplifies fractions accurately when integrating 1 simple Shows adequate working with the substitution 1 simple Question 2 [3.2.21] (9 marks) A train is travelling on a straight track between two stations under the following conditions. It starts from rest at station A and moves with acceleration . It then maintains its speed for 60 seconds such that Finally it slows to rest at a constant rate over 10 seconds such thatand stops in station B. Sketch the Time graph (5 marks) Velocity V’s Mark Item Specific behaviours allocation classification Determines the first two velocity functions 2 simple Draws each section of the graph accurately 3 simple Calculate the total distance in metres between station A and station B. (4 marks) Mark Item Specific behaviours allocation classification Uses the velocity functions/graphs to calculate the distance travelled for each leg 3 simple States the correct distance travelled 1 simple
Specific behaviours Mark allocation Item Partitions the algebraic fraction before integrating Simplifies fractional indices when dividing Simplifies fractions accurately when integrating Shows adequate working with the substitution 1 1 1 1 simple simple simple simple Question 2 [3.2.21] (9 marks) A train is travelling on a straight track between two stations under the following conditions. It starts from rest at station A and moves with acceleration . It then maintains its speed for 60 seconds such that Finally it slows to rest at a constant rate over 10 seconds such thatand stops in station B. Sketch the Velocity V’s Time graph (5 marks) Specific behaviours Mark allocation Item classification Determines the first two velocity functions Draws each section of the graph accurately 2 3 simple simple Calculate the total distance in metres between station A and station B. (4 marks) Specific behaviours Mark allocation Item classification Uses the velocity functions/graphs to calculate the distance travelled for each leg States the correct distance travelled 3 1 simple simple