Dynamics 16-104| At a given instant the bottom A of the ladder has an acceleration of a = 4 ft/s²

Question: At a given instant the bottom A of the ladder has an acceleration of a = 4 ft/s² and a velocity Va=6ft/s, both acting to the left. Determine the acceleration of the top of the ladder, B and the ladder's angular acceleration at this same instant.
Problem 16-104 from:
Engineering Mechanics: Dynamics, 14th edition
Russell C. Hibbeler
Thank you guys for watching.
Please let me know if you have any comments or suggestions and also if you have any other problem you would like to go over with.

[@dominicarchuleta6072]

Howdy, i know you already moved on to chapter 16 but I have an exam coming up so I've gotta do a bit of review. could you do problems 15-25 and 15-75?
Thanks!

[@LearningbyTeaching]

Hi Dominic, I will try to find some time for these during this week!

[@LearningbyTeaching]

Hello here is question 15-25:
czcams.com/video/73C7TxP08QE/video.html
I hope it helps!

[@LearningbyTeaching]

Here is 15-75:
czcams.com/video/NhN-ZIix3S0/video.html
:)

[@siwatsittipattana782]

thank you for exam