Rock Thrown from 32m Building: Vertical Velocity at 6m Question

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Homework Help Overview

The problem involves a rock being thrown from a height of 32 meters with a horizontal velocity, and the question focuses on determining the vertical velocity when the rock is at 6 meters above the ground. The context is kinematics, specifically dealing with projectile motion and gravitational effects.

Discussion Character

  • Exploratory, Assumption checking

Approaches and Questions Raised

  • Participants express uncertainty about the vertical velocity, with one suggesting a specific value but lacking confidence. There is a request for showing work to support the reasoning, indicating a focus on understanding the problem-solving process.

Discussion Status

The discussion appears to be ongoing, with some participants emphasizing the importance of demonstrating effort in problem-solving. There is a lack of consensus on the solution, and the conversation reflects a mix of frustration and the need for adherence to forum guidelines.

Contextual Notes

There is mention of a temporary ban for one participant, which may influence the dynamics of the discussion. The requirement for showing work is highlighted as a forum rule, indicating that participants are expected to engage actively in their learning process.

Jud Rice
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Homework Statement


A rock is thrown off of a 32 m high building with a horizontal velocity of 5 m/s. What is the vertical velocity when it reaches 6 m from the ground? Use g = 10 m/s^2

A) 11 m/s
B) 120 m/s
C) 23 m/s
D) 520 m/s
E) 16 m/s

Homework Equations


Kinematics I think

The Attempt at a Solution


I think it is 23 m/s but not sure
 
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Jud Rice said:

Homework Statement


A rock is thrown off of a 32 m high building with a horizontal velocity of 5 m/s. What is the vertical velocity when it reaches 6 m from the ground? Use g = 10 m/s^2

A) 11 m/s
B) 120 m/s
C) 23 m/s
D) 520 m/s
E) 16 m/s

Homework Equations


Kinematics I think

The Attempt at a Solution


I think it is 23 m/s but not sure
Please show your work.
 
berkeman said:
Please show your work.
No.
 
Whelp, then maybe a 10-day vacation from the very helpful PF will adjust your attitude. We require that students show effort on their schoolwork here.
 
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He created a sockpuppet to try to get around his temp ban, so he's not coming back. Unbelievable bad attitude.
 
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