Ch 01: Units & VectorsWorksheetSee all chapters
All Chapters
Ch 01: Units & Vectors
Ch 02: 1D Motion (Kinematics)
Ch 03: 2D Motion (Projectile Motion)
Ch 04: Intro to Forces (Dynamics)
Ch 05: Friction, Inclines, Systems
Ch 06: Centripetal Forces & Gravitation
Ch 07: Work & Energy
Ch 08: Conservation of Energy
Ch 09: Momentum & Impulse
Ch 10: Rotational Kinematics
Ch 11: Rotational Inertia & Energy
Ch 12: Torque & Rotational Dynamics
Ch 13: Rotational Equilibrium
Ch 14: Angular Momentum
Ch 15: Periodic Motion (NEW)
Ch 15: Periodic Motion (Oscillations)
Ch 16: Waves & Sound
Ch 17: Fluid Mechanics
Ch 18: Heat and Temperature
Ch 19: Kinetic Theory of Ideal Gasses
Ch 20: The First Law of Thermodynamics
Ch 21: The Second Law of Thermodynamics
Ch 22: Electric Force & Field; Gauss' Law
Ch 23: Electric Potential
Ch 24: Capacitors & Dielectrics
Ch 25: Resistors & DC Circuits
Ch 26: Magnetic Fields and Forces
Ch 27: Sources of Magnetic Field
Ch 28: Induction and Inductance
Ch 29: Alternating Current
Ch 30: Electromagnetic Waves
Ch 31: Geometric Optics
Ch 32: Wave Optics
Ch 34: Special Relativity
Ch 35: Particle-Wave Duality
Ch 36: Atomic Structure
Ch 37: Nuclear Physics
Ch 38: Quantum Mechanics

Solution:
You may want to review (Pages 18 - 19). For related problemsolving tips and strategies, you may want to view a Video Tutor Solution of Using unit vectors.
Write the vector A in the figure in terms of the unit vectors i and j .Write the vector B in the figure in terms of the unit vectors i and j .Use unit vectors to express the vector C, where = 3.00 - 4.00 .Find the magnitude of C.Find the direction of C.

Solution: You may want to review (Pages 18 - 19). For related problemsolving tips and strategies, you may want to view a Video Tutor Solution of Using unit vectors.Write the vector A in the figure in terms

Problem

You may want to review (Pages 18 - 19).

For related problemsolving tips and strategies, you may want to view a Video Tutor Solution of Using unit vectors.

Write the vector A in the figure Two vectors are shown on the xy plane. Both vectors start at point O located at the origin. Vector A is located in the first quadrant, it makes an angle of 70.0 degrees with the positive x axis and has length of 3.60 meters. Vector B is located in the third quadrant, it makes an angle of 30.0 degrees with the negative x axis and has length of 2.40 meters. in terms of the unit vectors i and j .

Write the vector B in the figure in terms of the unit vectors i and j .

Use unit vectors to express the vector C, where = 3.00 - 4.00 .

Find the magnitude of C.

Find the direction of C.