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Homework Help: A projectile kinematic in 2 d problem using baskeballs?

  1. Sep 15, 2014 #1
    1. The problem statement, all variables and given/known data

    A basketball leaves a player's hands at a height of 2.20m above the floor. The basket is 3.05m above the floor. The player likes to shoot the ball at a 35.0∘ angle.If the shot is made from a horizontal distance of 5.90m and must be accurate to ±0.22m (horizontally), what is the range of initial speeds allowed to make the basket?
    Express your answers using thre significant figures separated by a comma.
    Answer in vmin, vmax = m/s

    xf=5.90 m ±0.22m
    ax=0 m/s^2
    ay=-9.8 m/s^2
    2. Relevant equations


    3. The attempt at a solution

    am I solving for V0x=V0 cos(35)?
    & Voy=V0sin (35)

    so I did
    xf=x0 + (vo vcos 35)t
    xf= vo cos (35)t
    t= xf/ vo cos(35)t

    I am just confused that this point.
  2. jcsd
  3. Sep 15, 2014 #2


    User Avatar
    2017 Award

    Staff: Mentor

    You covered the horizontal part, that's fine. What about the vertical motion?
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