Question 22891
LET DRAG FORCE BE=F ,AREA=A,AND VELOCITY=V
F VARIES JOINTLY AS A AND V.THAT MEANS IT VARIES AS A*V
HENCE F=K*A*V…WHERE K IS A CONSTANT.
WE GOT FOR CASE 1….F=192.5=K*35*50..HENCE K=192.5/(50*35)=0.11
HENCE FOR CASE 2 ….F=247.94=0.11*49*V….V=247.94/(0.11*49)=46……A IS THE ANSWER