P-2, Q-3, R-1, S-4
P-2, Q-3, R-2, S-4
P-1, Q-1, R-1, S-4
P-2, Q-3, R-1, S-1
Velocity of efflux V=√2geff where l is length of jar from top of point.
time taken in covering horizontal distance is T=√2h/geff, where h is distance of floor from jar
Horizontal range = VT = √2geffl √2h/geff = √4lh which is independent of geff.
In free fall velocity of efflux will be zero.