A rock is released from rest from a hot air balloon that is still with respect to the ground a few meters below. Whích one of the following statements is true if the air resistance is ignored? O After the rock is released, it falls at a constant speed of 9.8 m/s. The rock is considered a freely falling body after it is released. O The rock will take longer than one second to reach the ground. O The instantaneous speed of the rock just before it reaches the ground will be 9.8 m/s. O As the rock falls, its acceleration is 9.8 m/s? directed upward.

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2.6 Freely Falling Bodies
A rock is released from rest from a hot air balloon that is still with respect to the ground a few meters below. Which one of the
following statements is true if the air resistance is ignored?
O After the rock is released, it falls at a constant speed of 9.8 m/s.
O The rock is considered a freely falling body after it is released.
O The rock will take longer than one second to reach the ground.
O The instantaneous speed of the rock just before it reaches the ground will be 9.8 m/s.
O As the rock falls, its acceleration is 9.8 m/s² directed upward.
Transcribed Image Text:2.6 Freely Falling Bodies A rock is released from rest from a hot air balloon that is still with respect to the ground a few meters below. Which one of the following statements is true if the air resistance is ignored? O After the rock is released, it falls at a constant speed of 9.8 m/s. O The rock is considered a freely falling body after it is released. O The rock will take longer than one second to reach the ground. O The instantaneous speed of the rock just before it reaches the ground will be 9.8 m/s. O As the rock falls, its acceleration is 9.8 m/s² directed upward.
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