ROTATIONAL MOTION

What is the angle between î and ĵ vectors?

• 0 degrees
• 45 degrees
• 90 degrees
• 180 degrees

In rotational motion, what remains the same for all particles of a rigid body?

• Linear velocity
• Acceleration
• Angular velocity
• Radius

If a = (3, -4, 5) and b = (-2, 1, 3), what is the k̂ component of a × b?

• -5
• 5
• -8
• 8

If a = (3, -4, 5) and b = (-2, 1, 3), what is the ĵ component of a × b?

• -19
• 19
• -7
• 7

If a vector a has components (3, -4, 5) and b has components (-2, 1, 3), what is the î component of a × b?

• -17
• 7
• -5
• 15