Question

A projectile is projected with a speed of 30 m/s at an angle 30 ° with the vertical. The speed of the projectile when its direction of motion makes an angle 30 ° with the following is
(1) 10 m/s (2)20 m/s (3)10×3^1/2m/s
(4) 20×3^1/2 m/s​

Answer 1

The answer was three