All India Engineering / Architecture Entrance Examination (AIEEE)
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AIEEE 2010 Physics
Q. 18. A small particle of mass m is projected at an angle 
with the x-axis with an initial velocity 
in the x-y plane as shown in the figure. At a time
Sol:
The position vector and velocity vector of projectile at any time t is given as
Angular momentum of the particle about origin
Answer : (3)
Q. 19. The equation of a wave on a string of linear mass density 0•04kg 
is given by
The tension in the string is
- 4.0 N
- 12.5 N
- 0.5 N
- 6.25 N
Sol :
Answer : (4)
