At what angle of elevation, should a projectile be projected with velocity 20 m/s, so as to reach a maximum height of 10 m? 1) 0° 2) 90°3) 45° 4) 60°
At what angle of elevation, should a projectile be projected with velocity 20 m/s, so as to reach a maximum height of 10 m?
1) 0°
2) 90°
3) 45°
4) 60°











