Question

A object travel 20 m in 45 second and another 3 m in 6 second . find the average

Answer 1

Average Speed= total distance./Total Time
Hee,
Avg. of 1- 4/9
avg. of 2- 1/2

Answer 2

d'=20m, d"=3m

t'=45sec, t" =6 sec

average speed =(d'+d")/(t'+t")

=23/51=0.45m/sec