<commit_before>---
layout: post
title: PHYS 124 Midterm Amendments and Corrections
---
Dot product: $\vec{\mathbf{A}}\cdot \vec{\mathbf{B}} = AB \cos\theta$  
Power: $P = \frac{W}{\Delta t}$




<commit_msg>Okay two lines<commit_after>---
layout: post
title: PHYS 124 Midterm Amendments and Corrections
---
Dot product: $\vec{\mathbf{A}}\cdot \vec{\mathbf{B}} = AB \cos\theta$  
Power: $P = \frac{W}{\Delta t}$

* The centripetal acceleration of a bicycle problem should have answers in units of m/s^2 not m/s.
* Work and gravity: ”An object is thrown straight up. Which of the following is true ABOUT the work done by the gravitational force while the object moves up and then down?"
* The free body diagram about the work done by the normal force. "What is the work done by the normal force by dragging the object a distance d to the horizontally left?" -> "What is the work done by the normal force by dragging the object a distance d HORIZONTALLY to the



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