Problem #2: On the shores of a) Suppose a rock breaks I i) How fast will it be ii) How much time w b) If instead the rock were t i) How fast will it be ii) What horizontal di

College Physics
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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Problem #2: On the shores of southern Maryland, Calvert Cliffs contain a 30m drop.
a) Suppose a rock breaks loose from the top of this cliff and falls vertically:
i) How fast will it be going when it strikes the water below?
ii) How much time will it take to hit the water?
b) If instead the rock were thrown at an angle of 15° below the horizontal at a speed of 10m/s:
i) How fast will it be travelling when it strikes the water?
ii) What horizontal distance into the water will it travel from the base of the cliff?
Transcribed Image Text:Problem #2: On the shores of southern Maryland, Calvert Cliffs contain a 30m drop. a) Suppose a rock breaks loose from the top of this cliff and falls vertically: i) How fast will it be going when it strikes the water below? ii) How much time will it take to hit the water? b) If instead the rock were thrown at an angle of 15° below the horizontal at a speed of 10m/s: i) How fast will it be travelling when it strikes the water? ii) What horizontal distance into the water will it travel from the base of the cliff?
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