A 124-Kg balloon carrying a 22-Kg basket is descending with a constant downward

Question

A 124-Kg balloon carrying a 22-Kg basket is descending with a constant downward velocity of 27.2 m/s A 1.0-Kg stone is thrown from the basket with an initial velocity of 11.7 m/s perpendicular to the path of the descending balloon, as measured relative to a person at rest in the basket. The person in the basket sees the stone hit the ground 5.20 s after being thrown. Assume that the balloon continues its downward descent with the same constant speed of 27.2 m/s.

1-How high was the balloon when the rock was thrown out?

2-How high is the balloon when the rock hits the ground?

3-At the instant the rock hits the ground, how far is it from the basket?

4-Just before the rock hits the ground, find its horizontal and vertical velocity components as measured by an observer at rest in the basket.

5-Just before the rock hits the ground, find its horizontal and vertical velocity components as measured by an observer at rest on the ground.

Explanation / Answer

similar problem http://www.cramster.com/answers-oct-09/physics/projectile-motion-midterm-tomo-balloon-carrying-basket-descending-constant-velo_673987.aspx

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