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Question 1
If the vectors ![](https://gradeup-question-images.grdp.co/liveData/PROJ60178/160040350664959.png)
and
are coplanar, then what is the value of p?
![](https://gradeup-question-images.grdp.co/liveData/PROJ60178/160040350664959.png)
![](https://gradeup-question-images.grdp.co/liveData/PROJ60178/1600403507364731.png)
![](https://gradeup-question-images.grdp.co/liveData/PROJ60178/1600403508051747.png)
Question 2
A particle is displaced from the point
to the point
under the influence of the forces
, the work done is:
![](https://gradeup-question-images.grdp.co/liveData/PROJ57472/1598268137922979.png)
![](https://gradeup-question-images.grdp.co/liveData/PROJ57472/1598268138648727.png)
![](https://gradeup-question-images.grdp.co/liveData/PROJ57472/159826826853634.png)
Question 3
If
then angle between
is:
![](https://gradeup-question-images.grdp.co/liveData/PROJ57472/1598268154964336.png)
![](https://gradeup-question-images.grdp.co/liveData/PROJ57472/1598268155688871.png)
Question 4
If
and
form a reciprocal system of vectors, then
![](https://gradeup-question-images.grdp.co/liveData/PROJ57154/159825050782965.png)
![](https://gradeup-question-images.grdp.co/liveData/PROJ57154/1598250508558383.png)
![](https://gradeup-question-images.grdp.co/liveData/PROJ57154/1598250509304497.png)
Question 5
If the position vectors of points A and B are
and
respectively, then what is the length of
?
![](https://gradeup-question-images.grdp.co/liveData/PROJ55716/1596710164902152.png)
![](https://gradeup-question-images.grdp.co/liveData/PROJ55716/1596710165614862.png)
![](https://gradeup-question-images.grdp.co/liveData/PROJ55716/1596710166352252.png)
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