Question

What does I,j denotes ………..
column
unit vector
scalar
matrix
2 Represesnt the given velocity 230km/h in the direction
2000
7cm
5cm
14cm
10cm
3 A negative vector could be denoted as ……….
w,w
a,b
u,v
u,-u
4 The sum of a vector and the negative of another vector could be written as …………
w+w
w+(-w)
w
None of the above
5What type of vector is w+(-w)=0
null vector
scalar vector
vector
magnitude