Answer:
20m/s
Step-by-step explanation:
Given
Velocity = 40m/s
angle = 30°
Vertical component = Vsin theta
Substitute into the formula
Vy = 40sin30
Vy = 40(0.5)
Vy = 20m/s
Hence the vertical component of the velocity right before the ball hits the ground is 20m/s