Difference between revisions of "Skill Set 03.3"

Revision as of 09:53, 19 February 2009

Main Page > IB Physics Skill Sets > Skill Set 03.3

1. A boat points straight across a 68.0 m wide river and crosses it in 18.2 seconds. In doing this it is carried downstream 23.7 m. What the boat’s velocity with respect to the water?

All that this question is asking for is the velocity the boat must've gone in order to cross the 68 m river in 18.2 s. To solve for velocity, we divide the distance by the time.

(68 m)/(18.2 s) = 3.7362637 = 3.74 m/s

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