Question

A soldier accidentally drops his iphone from a helicopter which is rising. At the instant when the soldier drops his iphone, it is located 35.0 m above the ground. An

observer below notes that just before the iphone crashes into the soft ground, it (the iphone) is moving straight down at 27.4 m/s. Assume that air resistance is negligible. In the following, consider the iphone's motion from the viewpoint of a person standing at rest on the ground. Assume that the acceleration due to gravity has magnitude 9.80 m/s 15. Which of the following diagrams correctly describes the iphone's flight through the air, from the instant when it was released from the helicopter, up to the instant just before it hit the ground?

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