4. an Aeroplane flies at a uniform speed of 800 km/h what distance does it cover 2is to 1 by 2
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Step-by-step explanation:
Magnitude of velocity(v=100km/h) is same as given flying with a uniform speed.
In the diagram we can see that direction of velocity changes by 180
∘
,so the ultimate change in velocity is given by Δv
as we can see in the diagram
v
B
=−v
A
⇒Δv=v
A
−(−v
B
)
⇒Δv=2v
A
=2×100km/h=200km/h
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