A person is rowing across the river with a velocity of 4. 5 km/hr northward. The river is flowing eastward at 3. 5 km/hr. What is the magnitude of her velocity (v) with respect to the shore?

The velocity of the rower relative to the shore is the sum of her velocity relative to the water and the velocity of the water relative to the shore:

Then

The magnitude of this velocity is

√(4.5² + 3.5²) m/s ≈ 5.7 m/s

when cloud cover increases then the suns ray's which provides the earth with light and warmth gets covered due to the due to the suns ray's being blocked, the temperature in that region

therefore to conclude i would like to say that,

=more the cloud cover, the lesser the

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as technology advances, new experiments often expose problems in accepted theories. c

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-lavira: )