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United StatesPhysics C: MechanicsQuick questions

Unit 1: Kinematics

Quick questions on Scalars and vectors - AP Physics C: Mechanics Unit 1

2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?
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A vector has components Ax=−3.0A_x = -3.0 and Ay=4.0A_y = 4.0. Calculate its magnitude and the angle it makes with the positive xx-axis. [3 points]
What is q2?
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Write the unit vector in the direction of A⃗=6.0 ı^+8.0 ȷ^\vec{A} = 6.0\,\hat{\imath} + 8.0\,\hat{\jmath}. [2 points]

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