6. Determine the speed at which the basketball at A must be thrown at the angle of 30° so that it makes it to the basket at B. 30° 1.5 m 10 m- 3 m 7. A projectile is fired with an initial velocity of v = 200 m/s off the roof of the building. Determine the range R where it strikes the ground at B. 150 m/s 2 150 m