Difference between revisions of "Skill Set 03.2"

Revision as of 11:29, 12 February 2009

Main Page > IB Physics Skill Sets > Skill Set 03.2

1. A ball rolls off the edge of a cliff. The instant it leaves the edge, it has an initial horizontal velocity of 17.3 m/s, and it strikes the ground after 1.56 seconds. How high is the cliff?

Using s = ut + 1/2at²:

s = 0 + 1/2(9.81)(1.56)² = 11.936 m

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