A. due to their shape
B. due to air resistance
C. due to angle of projection
D. all of these
A. force
B. impulse
C. velocity
D. both A and C
A. 45
B. 60
C. 30
D. none
A. second law of motion
B. third law of motion
C. first law of motion
D. law of gravitation
A. 4.9 m
B. 19.6 m
C. 39.2 m
D. 44.1 m
A. tan-1 ¼
B. tan-1 4
C. tan-1 ½
D. tan-1 2
A. 1st law of motion
B. 2nd law of motion
C. Law of conservation of momentum
D. law of conservation of energy
A. H=gT2/8
B. H=8T2/g
C. H=8g/T2
D. H=gT2
A. straight inclined line.
B. parabola
C. inclined curve
D. declined curve
A. Centripetal force
B. Gravitational force
C. Their inertia
D. Centrifugal force