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average velocity = distance travelled / Time
distance travelled between A and B = 90/1.5
=60Km
distance travelled between B and C =110/2=55km
Total time =4 hrs
so , average velocity = (55+60)/4
== 115/4 =28.75 kM/hr
thanks
UDIT:)
distance travelled between A and B = 90/1.5
=60Km
distance travelled between B and C =110/2=55km
Total time =4 hrs
so , average velocity = (55+60)/4
== 115/4 =28.75 kM/hr
thanks
UDIT:)
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