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Grade: 11
        
A small toy looks like a pipe and shoots a marble out each end. The toy is dropped out of a tree and fires halfway to be ground. One marble shoots directly up, the other directly down, Consider the vertical component of the acceleration ay of the marbles immediately after the marbles leave the toy, ignoring any air friction.
(A) The upward-moving marble has ay 2.
(B) The upward-moving marhle has ay = -9.8 m/s2.
(C) The upward-moving marble has ay >-9.8 m/s2.
(D) The downward-moving marble has a­> -9.8 m/s2.
 
I know that someone has answered this question, but it is still not clear for me why they can make the assumption that the marbles move with constant velocities. Is there a different way to explain the problem? Thanks!
one month ago

Answers : (2)

Vikas TU
10040 Points
one month ago
Oliver Wayne
13 Points
							
Can you please provide a different explanation for this problem please? As I requested in the problem, I really don’t understand that solution. Also, I have a Chegg account, so the answer didn’t give me any extra insight. Thanks!
one month ago
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Course Features

  • 101 Video Lectures
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Course Features

  • 110 Video Lectures
  • Revision Notes
  • Test paper with Video Solution
  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Previous Year Exam Questions


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