Vector Physics

A vector is represented by

• a ray
• a line
• a circle
• a triangle

The magnitude of the vector is

• 62 m
• 25^o

The direction of the vector is

• 62 m
• 25^o
• 25^o W of N
• 25^o N of W

When adding vectors, the vectors are connected

• in  a straight line
• Head to Tail
• in Right triangles
• In a triangle

The letter B on the diagram represents the ________.

• Head
• Tail
• length

Vector A is 23 m/s at 23^o E of N.  What trig function would you use to find the x component?

• sine
• cosine
• tangent
• Pythagorean

Vector A is 23 m/s at 23^o E of N.  What trig function would you use to find the y component?

• sine
• cosine
• tangent
• Pythagorean

A vector has both ____ and _____

• speed and length
• magnitude and direction
• degrees and radians
• style and grace

Which of the follow is NOT a vector?

• acceleration

• velocity

• displacement

• mass

The initial path of a rocket is 30° above the horizontal, and the horizontal component of the rocket's velocity is 326 m/s. The initial vertical component of the rocket's velocity is most nearly

• 190 m/s

• 330 m/s

• 380 m/s

• 280 m/s