Physics, asked by namanmehra54, 11 months ago

please solve this question. Q2(b)

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Answered by matzzz

1

Explanation:

s1= 120km

v1=40km/hr

t1= s1÷v1=120/40=3hr

s2=120km

v2=30km/hr

t2=s2÷v2=120/30=4hr

total time taken =3+4=7hr

average speed =240÷7=34.28km/hr

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