The value of p so that vectors and are perpendicular is
6
3
2
None of these
A force acting on a particle causes displacement in its own direction. If work done is 6 J., then value of ' c ' is
0
1
12
are two vectors and θ is the angle between them, if the value of θ is
60o
45o
30o
90o
A force N acting on a mass produce an acceleration of 1m/s2. What will be the mass of the body?
10√2 kg
2√10 kg
10 kg
20 kg
cos-1 5/12
cos-1 5/13
cos-1 12/13
cos-1 7/13
The angle between two vectors will be
Zero
180o
The angle between two vectors of magnitude 12 and 18 units when their reultant is 24 units is
63.50o
75.52o
82.30o
89.16o
Two equal vectors have a resultant equal to either of them. The angle between them is
100o
120o
is written by some student. Then, it
is not possible
has the same direction as that of
has direction opposite to that of
has no definite direction
Rain is falling vertically with a speed of 30 ms-1. A man rides a bicycle with a speed of 10 ms-1 in north to south direction. The angle with the vertical at which the man should hold his umbrella to protect himself from the rain is:
