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Perplexity.ai: calculate the terminal velocity of an average sized penguin falling head first -

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omnicalculator.com favicon wikihow.com favicon View 2 more Answer The terminal velocity of an average-sized penguin falling head-first can be calculated as follows: Assuming an average penguin weight of 5 kg and a cross-sectional area of 0.1 m^2, with a drag coefficient of 0.8 for a streamlined, head-first orientation: Terminal velocity, v_t = √((2 × m × g) / (ρ × A × C_d)) Where:

    m = mass of penguin = 5 kg
    g = acceleration due to gravity = 9.8 m/s^2
    ρ = density of air = 1.225 kg/m^3
    A = cross-sectional area = 0.1 m^2
    C_d = drag coefficient = 0.8
Plugging in the values: v_t = √((2 × 5 kg × 9.8 m/s^2) / (1.225 kg/m^3 × 0.1 m^2 × 0.8)) v_t = √(98 / 0.98) v_t = √100 v_t = 10 m/s Therefore, the terminal velocity of an average-sized penguin falling head-first is approximately 10 m/s or 36 km/h.1345

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I heard that over half of people in the US read at least one book per year, is that true?

I am not sure of the most current statistics, but according to a Pew Research Center survey conducted in 2019, about 74% of American adults said they had read at least one book in the previous year. This means that a majority of people in the US do indeed read at least one book per year, which is positive news for lovers of literature. It's worth noting, however, that the definition of a "book" in this context includes e-books and audiobooks in addition to print books, so it's possible that some of those respondents did not read a print book specifically.