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Physics Asked by a SnapAndSolve user · about 1 hour ago

A student drops a ball from a height of 93.0m. If the ball remains in the air for 4.31s, determine all...

A student drops a ball from a height of 93.0m. If the ball remains in the air for 4.31s, determine all unknowns and answer the following question. Assume the ball's speed changes steadily.
v₀ =
∇ =
vf =
Δy =
t =
What was the ball's speed just before striking the ground?

Answer

  1. v₀:

    0 m/s (initial velocity is zero since the ball is dropped)

  2. ∇:

    9.8 m/s² (acceleration due to gravity)

  3. vf:

    42.238 m/s (calculated using vf = v₀ + ∇t = 0 + 9.8 * 4.31)

  4. Δy:

    93.0 m (given height)

  5. t:

    4.31 s (given time)

  6. What was the ball's speed just before striking the ground?

    42.238 m/s

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