23. An object moves through 10 m in 2 minutes and next 10 m in 3 minutes. Calculate its average speed.
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average speed can be calculated by the formula
= V avg= Total distance travelled by an object / total time taken by the object
= 10+10/(2+3)×60
=20/5×60
=1/15
=0.067ms^-1
(here we multiplied the total time with 60 in order to convert it into a ms^-1 si unit)
= V avg= Total distance travelled by an object / total time taken by the object
= 10+10/(2+3)×60
=20/5×60
=1/15
=0.067ms^-1
(here we multiplied the total time with 60 in order to convert it into a ms^-1 si unit)
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