You are to drive to an interview in another town, at a distance of 290 km on an expressway. The interview is at 11:15 A. M. You plan to drive at around 100 km/h, so you leave at 8:00 A. M. to allow some extra time. You drive at that speed for the first 100 km, but then construction work forces you to slow to 35 km/h for 40 km. What would be the least speed needed for the rest of the trip to arrive in time for the interview

here we know that ball will drop down by total distance 3.2 m

so here we know that

now using kinematics

now in the same time it will cover horizontal distance of 0.75 m

so speed of the ball will be

this is an example of "committed" time.

committed time, as contracted time, takes need over essential and available time since it is seen as profitable work. it alludes to the time allotted to keep up a home and family. at the point when a man is commuting using committed time this individual may feel that the drive is an obligation to family, for example, strolling youngsters to class or driving a mate to work. contracted and committed time clients may feel that their commute could really compare to the commute of important or leisure time clients on the grounds that their commute is profitable work. in this manner, they might be more disposed to pick a mechanized method of movement.