Question

In an experiment to measure the speed of a moving ball , it is observed that the ball covers a distance of 6 metre 40 cm in 8 seconds before it comes to a stop. Calculate the speed of the ball in metre per second. *

Answer 1

Answer:

6 m 40 cm is 6.40 m. speed is given by distance /time. here time is 8 sec. hence speed will be 0.8 m per second