(I) (a) Calculate the average speed of the train for the entire journey of 45 km. (b) What is the speed for a train for 0-15 km, 15-20 km and 20-45 km of the journey? Are they same?
(II)
Confirm Finish Lesson: Lesson 3: Speed? You will NOT be allowed to attempt Question again.
Answer the following questions with appropriate unit
(I)
(a) Calculate the average speed of the train for the entire journey of 45 km.
(b) What is the speed for a train for 0-15 km, 15-20 km and 20-45 km of the journey? Are they same?
(II)