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.
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.
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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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.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3e882a5b-5924-4cf1-9e4d-5d483989b2e9%2F26243c8c-b57d-476b-b724-bfab07f7741b%2Fp7f8hdo_processed.jpeg&w=3840&q=75)
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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