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physics

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3)A soldier throws a grenade horizontally from the top of a cliff. Which of the following curves best describes the path taken by the grenade?

Parabola

4)A stone is thrown horizontally from the top of a 25.00-m cliff. The stone lands at a distance of 40.00 m from the edge of the cliff. What is the initial horizontal velocity of the stone?

15.60 m/s

  • physics -

    3) parabola is correct

    4) time of fall = sqrt (2H/g) = 2.26 s
    horizontal travel = 40 = 2.26 * V
    V = 17.7 m/s

  • physics -

    3:
    Parabola would be an acceptable choice.

    4:
    I did not get the same answer as you.

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