2171
Question 2171
What is the direction of the angular velocity vector for a wheel rotating about its axle?
2172
Question 2172
In the determinant form of cross product, what are the second and third rows?
2173
Question 2173
What is the result of (î + ĵ) × î?
2174
Question 2174
What is the cross product of (2î) and (3ĵ)?
2175
Question 2175
If a × b = 0 and neither a nor b is zero, what can be concluded?