How long did it take this object to travel from starting point, back to its reference/starting point?
An object starting from rest travels 20 m in first 2 seconds and 160 m in next 4 seconds. What will be the velocity after 7 seconds from the start?
A car travels at an average speed of 50 km/hr; it stops for 90 seconds after travelling 37.5 kms of distance. How long does it take to reach 300 kms from the starting point?