Plane Curvilinear Motion: n-t Coordinates - Example Problem 3.3-6

 

An automobile's speed increases at a rate of 8 m/s² around a curve of radius 300 m. The car’s speed at this instant is 35 m/s. What is the car’s total acceleration?

 

Find: a

 

Solution:

 

Video solution:

 

The following video walks you through the solution to this problem. It is suggested that you try solving the problem first and then, if you have difficulties with the solution, watch the video for help.

 

 

Interactive solution:

 

One of the most important steps of any dynamics problem is to properly identify all the given information.

 

What are the units of the following parameters?

 

1. ρ          

 

2. v          

 

3. dv/dt          

 

4. a