Physics, asked by aduttchowdhury36, 10 months ago

Please solve the no. ii) answer.

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Answered by davanachandrasheakar

0

Answer:

is this 9th standard portion......

Answered by madhav127

0

Answer:

hey mate here is ur ans

Explanation:

given, u=30km/h t1 = 30min = 30÷60 = 1/2

v = 40km/h t2 = 40min = 40÷60 = 2/3 hr

total distance = total speed ×total time

= 70×7/6 = 81.6

average velocity = total distance /total time

= 81.6/(7/6) = 69.94 km/hr

hope it help u

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