Speed

Physics

definition

Average speed

Average speed is defined as the total distance travelled by the body in total time i.e.

It is a scalar quantity. Its unit is m/s.

definition

Speed

Speed is rate of change of distance,it is the measurement of how fast or slow objects move, can be given by formula,

S.I unit of speed is

shortcut

Speed by distance moved and time taken by an object

Example : During inter school running race competition , Shivam completed the race of  200 m in 120 seconds, where as the winner of the race Anubhav completed it in just 80 seconds.What would be the required speed of Shivam to beat  Anubhav?
Solution: Speed of Shivam
Speed of Anubhav
Hence to win the race speed of shivam should have been more than