Vector Calculus Answers

Represent the given velocity 230km/h in the direction 200degree= ___ km

5
4
7
2

A horizontal force 35N acting to the right,would be indicated by a line -------- and if the chosen vector scale were 1cm = 10N,the line would ______ cm long.

3.5
3
4.5
2

Find the dot product of the following vectors
r1=2i+3j−5k,r2=i−2j+4k.Find r1.r2

-24
20
34
23

Solve the following
r1=3i−2j+kr2=2i−4j−3kr3=−i+2j+2kFindr2r3

-16
16
15
-15

Solve the following
r1=3i−2j+kr2=2i−4j−3kr3=−i+2j+2kFindr1r2

7
11
3
10

Find p such that the vectors w=pi+3j and v=2i + qj are parallel to u=5i + 6j.

2.7
2.5
3.5
4.1

If U = I + 3j - 2k and V = 4i - 2j - 4k are vectors, find (2U + V) . ( U - 2V )

4
3
5
6

If U = I + 3j - 2k and V = 4i - 2j - 4k are vectors, find 3U + V

10
14
4
11

A ..... is such that it can slide along its line of action.

vector
null vector
motion
line vector

Find the angle between U =4i - 2j + 4k and V = 3i - 6j - 2k .

680
670
580
690