In a projectile motion the velocity (a) is always perpendicular to the acceeleration (b) is not always perpendicular to the accleleration ( c) is perpendicular to the acceleration for one instant only (d) is perpendicular to the acceleration for two instants.

In a projectile motion the velocity (a) is always perpendicular to th

1.	In a projectile motion the velocity (a) is always perpendicular to the acceeleration (b) is not always perpendicular to the accleleration ( c) is perpendicular to the acceleration for one instant only (d) is perpendicular to the acceleration for two instants.
Answer» a & B are CORRECT b & C are correct c & d are correct a & d are correct ANSWER :B