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a man moves on straight road for 8.4 km at 70 km/h then he walk 2 km for 30 min whats its avg velovity

a man moves on straight road for 8.4 km at 70 km/h then he walk 2 km for 30 min whats its avg velovity

Grade:11

1 Answers

Vikas TU
14149 Points
7 years ago
avg. velocity = Total displacement/ Total time.
= (8.4 + 2)/(0.5 + 8.4/70)
= 10.4/.62
= 16.77 km/hr. is the avereage velocity for total displacmnt.
 

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