Angle that the stone is thrown off of the cliff?

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Homework Help Overview

The problem involves a student throwing a stone horizontally from a cliff with a height of 62.0 m. The discussion centers around determining the time it takes for the stone to hit the beach below and the speed and angle of impact, with a focus on understanding the implications of throwing the stone horizontally.

Discussion Character

  • Exploratory, Conceptual clarification, Mathematical reasoning, Assumption checking

Approaches and Questions Raised

  • Participants explore the implications of throwing the stone horizontally, questioning the angle of launch and its relevance to the problem. There are attempts to calculate the time of fall using gravitational acceleration and discussions about the components of motion.

Discussion Status

The discussion is active, with participants providing guidance on the use of kinematic equations and clarifying the initial conditions of the problem. There is recognition of the need to separate horizontal and vertical motion, and some participants are working through calculations while questioning their assumptions.

Contextual Notes

Participants note confusion regarding the initial vertical speed of the stone and the correct application of kinematic equations, particularly in relation to the direction of gravitational acceleration.

  • #31


Almost. You have a sign wrong, you can see this because you will need to take the root of a negative number in the form you have written down.
 
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  • #32


t= 3.54 sound about right?
 
  • #33


I get t=3.555=3.6. So you have made a minor rounding error other than that it is correct.
 

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