8
D 71658

30. Obtain equations of motion for a projectile near the surf; क

31.

32.
33.
34.

35.

bye f 8 = gm
Two objects of masses m, = 200 gm and 712 = 500 gm possess velocities V, =10i m/sec and

V, = 31 + 5j m/sec just prior to a collisi i i
त 0 ‏راس یں‎ 1510൩ during which they become permanently attached to each
other. Calculate (a) the velocity of the centre of mass, (b) the final momentum of the combination

in the laboratory frame.
ം (4 x 4 = 16 marks)

Section E
Answer any two questions.
Each question carries 10 marks.

Explain principle of virtual work and derive Lagrangian’s equation from D’Alembert’s Principle.
Briefly explain kepler’s
Explain Michelson Morley experimen

planetary motion and deduce Kepler’s third law of motion.
t and explain what are the results obtained from the

experiment.
Explain Minkowski space and Lorentz transformations and deduce Lorentz transformations.
(2 x 10 = 20 marks)