171,508 views
42 votes
42 votes
An Alaskan rescue plane traveling 43 m/s drops a package of emergency rations from a height of 108 m to a stranded party of explorers. The acceleration of gravity is 9.8 m/s^2. Where does the package strike the ground relative to the point directly below where it was released? What is the horizontal component of the velocity just before it hits? What is the vertical component of the velocity just before it hits? (Choose upward as the positive vertical direction)

User Val Okafor
by
2.8k points

1 Answer

6 votes
6 votes

Answer:

Step-by-step explanation:

Given:

V₀ = 43 m/s

H = 108 m

g = 9.8 m/c²

____________

L - ?

Vₓ - ?

Vy - ?

1)

Fall time:

H = g*t² / 2

t = √ ( 2*H / g) = √ (2*108 / 9.8) ≈ 4.7 s

L = V*t = 43*4.7 ≈ 200 m

2)

Vx = V₀ = 43 m/s

Vy = - g*t = - 9.8*4.7 ≈ - 46 m/s

User Raj Chaudhary
by
2.8k points