Motion — Set 3

Which quantity is a vector?

Convert 250 cm/s into m/s.?

Terminal velocity of a falling object is reached when?

A car slows down from 20 m/s to 10 m/s over 50 m. What is the acceleration?

If the speed of a vehicle is doubled, the stopping distance (for the same braking force) generally becomes?

A person covers 120 km in 3 hours. What is the average speed?

Which situation has zero acceleration but nonzero velocity?

A stone is dropped from a height of 20 m. Taking g = 10 m/s^2, how long does it take to reach the ground?

Retardation is?

Two cars move in the same direction with speeds 60 km/h and 40 km/h. What is the relative speed of the faster car with respect to the slower car?