Compute the magnitude of the necessary launch velocity at B and angle alpha. If the projectile trajectory is to intersect the earth's surface so that the angle beta equals 90^(@). The altitude at the highest point of the trajectory is 0.5 R.

Compute the magnitude of the necessary launch velocity at B and angle

1.	Compute the magnitude of the necessary launch velocity at B and angle alpha. If the projectile trajectory is to intersect the earth's surface so that the angle beta equals 90^(@). The altitude at the highest point of the trajectory is 0.5 R.
Answer» ANSWER :`v_(B) = 7560 m//s`