August 27 AP physics.

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Presentation transcript:

August 27 AP physics

In: A rock is dropped off a cliff and strikes the ground with an impact velocity of 30 m/s. How high was the cliff? 15 m 20 m 30 m 45 m 60 m

Objective: To begin our study of 2 dimensional motion.

Homework check

2 dimensional motion Must be solved using vectors Displacement vectors Velocity vectors Acceleration vectors Force vectors

Combining vectors Only the same type of vector can be combined.

Components of vectors

Vector problem set

Out: A sailboat is heading due west at 10 m/s. The wind is blowing at 5 m/s to the north. What is the actual velocity of the boat?