Q 9: 9 A particle is projected with a velocity of 10 m/s at an angle of 75o - Physics - Motion In A Plane

Question

Q 9:

9 A particle is projected with a velocity of 10 m/s at an angle of
75o with the horizontal The value of 'X' for the ball to
return to its initial point of projection is

A   2 5 3 B   5 m C   2 5   m   D   3
m

Pintu B. · Accepted Answer

Dear Student ,
If in this question we apply the relation to find the horizontal
range we can write that ,

X=u2sin2θg=100×sin 150°10=10×sin 150°=5 mThus here the correct option is B 
Regards

Q 9: 9. A particle is projected with a velocity of 10 m/s at an angle of 75o with the horizontal. The value of 'X' for the ball to return to its initial point of projection is. A 2 . 5 3 B 5 m C 2 . 5 m D 3 m

Q 9:

9. A particle is projected with a velocity of 10 m/s at an angle of 75^o with the horizontal. The value of 'X' for the ball to return to its initial point of projection is.

$(A) 2.5 \sqrt{3} (B) 5 m (C) 2.5 m (D) 3 m$