Vectors

Vector Operations

100

<2,3> + <1,4>

<3,7>

200

2 <-2,3>

<-4, 6>

300

(-2i+6j) + (4i-j)

2i+5j

400

3<2,2> + 2<1,3>

<8,12>

500

How many students are in your Mathematics class.

13

Find the Magnitude

100

Magnitude of <3,4>

5

200

Magnitude of <-1,-1>

sqrt 2

300

Name Student who left your classroom.

Advaith

400

Magnitude of 5i+12j

13

500

Magnitude of 7j

7

General

100

What's the definition of a unit vector?

A vector with magnitude equal to one.

200

Lunch Timing at CIS

12:10 to 12:55

300

Define a scalar

Only magnitude.

400

A vector must have what two things?

direction and magnitude

500

What city is Bangalore in?

Karnataka

Find the Vector

100

Vector from (0,0) to (4,2)

<4,2>

200

What year did 9/11 happen?

2001

300

Vector from (-2,0) to (3,4)

<5,4>

400

Vector from (3,3) to (0,1)

<-3,-2>

500

Vector from (-2,10) to (7,-1)

<9,-11>

Dot Product

100

What does it mean if the dot product of two vectors is equal to 0?

The vectors are orthogonal (perpendicular)

200

What do you get if you dot product a vector with itself?

the magnitude squared

300

<1,1> + <2,3>

<3, 4%>

400

<-1,4> + <2,-3>

<1, 1>

500

<43,0> - <0,19>

< 43, -19>