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spew
spew asked in Science & MathematicsPhysics · 5 months ago

Physics test review help?

I’m so confused. I took tutoring and everything but still I’m not sure if I got right answers. Plz help me on 54

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  • oubaas
    Lv 7
    5 months ago

    54

    a ; t' = t/2 = 4.4/2 = 2.2 sec 

    b ; a = g = -9.8 m/sec^2

    c ; same as point b

    d ; same as b and c

    e ; zero , as it is about reversing motion

    f ; Vo + g*t' = 0  

    Vo = -g*t = 9.806*2.2 = 21.6 m/sec 

    g ; V = -Vo = -21.6 m/sec 

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