A bird is flying with a speed of 12.8 m/s over PHSYICS?

A bird is flying with a speed of 12.8 m/s over

water when it accidentally drops a 2.10 kg

fish.

The acceleration of gravity is 9.81 m/s

2

.

If the altitude of the bird is 6.20 m and air

resistance is disregarded, what is the speed of

the fish when it hits the water?

Answer in units of m/s

2 Answers

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  • oubaas
    Lv 7
    1 month ago

    Vfin = √Vin^2+2gh = √12.8^2+19.62*6.20 = 16.90 m/sec

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  • alex
    Lv 7
    1 month ago

    Conservation of Energy

    (1/2)(2.1)v^2 = (2.1)(9.81)(6.2) + (1/2)(2.1)(12.8)^2

    solve for v

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