8. A person standing on a 25-m high ledge atop a cliff drops a rock. At the same time, another person at the base of the cliff throws another rock straight upward at a speed of 15 m/s. Assume that air resistance is negligible and g = 9.8 m/s². How high from the base of the cliff will the two rocks meet?

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Chapter11: Gravity, Planetary Orbits, And The Hydrogen Atom
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8. A person standing on a 25-m high ledge atop a cliff drops a rock. At the same time, another person at the base of the cliff throws another rock straight
upward at a speed of 15 m/s. Assume that air resistance is negligible and g = 9.8 m/s².
How high from the base of the cliff will the two rocks meet?
Transcribed Image Text:8. A person standing on a 25-m high ledge atop a cliff drops a rock. At the same time, another person at the base of the cliff throws another rock straight upward at a speed of 15 m/s. Assume that air resistance is negligible and g = 9.8 m/s². How high from the base of the cliff will the two rocks meet?
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