Question

1) A man walks at the speed of 6 km/hr for one km and 8 km/hr for next one

km.What is his average speed for the walk of two km.


2) A police officer in a Jeep is chasing a pocket cutter on a straight Road .The

Jeep is going at its maximum uniform speed V.The pocket cutter rides on the

motorcycle of a waiting friend when the Jeep is at a distance D away, and the

motorcycle starts with a constant acceleration a .Show that the pocket cutter will be

caught if V≥√2Ad.


3) Convert acceleration- time graph into position- time graph, provided motion

starts from the rest.​

Answer 1

Answer:29/km.hr

Explanation: