I need help on my physics homework!?

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  • Bryce
    Lv 7
    4 weeks ago

    1. d= (1/2)20*4²= 150 m

    v= 4*4= 16 m/s

    d= 16²/(2*9.8)= 13.1 m

    h= 150 + 13.1= 163.1 m

    2. 163.1= 4.9t²; t≈ 5.77 s

    3. v= 9.8*5.77≈ 56.5 m/s

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