spencer70722 spencer70722
  • 14-03-2024
  • Physics
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A knight sits on a castle wall during a siege. To while away the time, he notes that boulders catapulted from below land on the top of his wall with a vertical velocity of 7.2 m/s. If he is 34 m above the catapult, what is the initial velocity of the boulders? The acceleration of gravity is 9.8 m/s squared. Answer in units of m/s.

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