Two particles have been projected at angles 64° and 45° to the horizontal. If the velocity of projection of first is 10 m/sec, the velocity of projection of the other for equal horizontal ranges is

Two particles have been projected at angles 64° and 45° to the horiz

1.	Two particles have been projected at angles 64° and 45° to the horizontal. If the velocity of projection of first is 10 m/sec, the velocity of projection of the other for equal horizontal ranges is
A.	9.3 m/sec
B.	8.3 m/sec
C.	7.3 m/sec
D.	6.3 m/sec.
Answer» B. 8.3 m/sec