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A helicopter is flying in a straight line over a level field at a constant speed of 6.0 m/s and at a constant altitude of 9.9 m . A package is ejected horizontally from the helicopter with an initial velocity of 15.0 m/s relative to the helicopter, and in a direction opposite the helicopter's motion. Find the initial velocity of the package relative to the ground.

A helicopter is flying in a straight line over a level field at a constant speed of 6.0 m/s and at a constant altitude of 9.9 m. A package is ejected horizontally from the helicopter with an initial velocity of 15.0 m/s relative to the helicopter, and in a direction opposite the helicopter's motion. Find the initial velocity of the package relative to the ground.

Grade:12

1 Answers

Rani Goswami
31 Points
2 years ago
Hey sahiti 
Vph = Vp -Vh ......(1)
Where Vph = -15 m/s (as it's in opposite direction of helicopter )
Vh=+6 m/s 
 So Vp = Vph + Vh     (from ....1)
            = -15 +  6 
            =  -9 m/s 
 
So the velocity of package wrt ground is 9 m/s in the opposite direction of motion of the helicopter 

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