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
The angle between the two vectors will be
0o
180o
(A2 + B2 + AB)1/2
(A2 + B2 + AB/√3)1/2
A + B
(A2 + B2 + √3 AB) 1/2
A boat is sent across a river with a velocity of 8 km/h. If the resultant velocity of boat is 10 km/h, then velocity of river is
12.8 km/h
6 km/h
8 km/h
10 km/h
The angle between two vectors will be
Zero
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 quantities A and B have different dimensions. Which mathematical operation given below is physically meaningful?
A/B
A - B
None
The magnitudes of vectors are 3, 4 and 5 units respectively. If , the angle between is
π/2
cos-1 (0.6)
tan-1(7/5)
π/4
The vectors are such that then angle between the two vectors will be
75o
