12-84 | Engineering Dynamics Hibbeler 14th Edition | Engineers Academy

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Engineering Dynamics by Hibbeler
12-84 | Engineering Dynamics Hibbeler 14th Edition | Engineers Academy
12–84. The van travels over the hill described by y = (-1.5(10^- 3) x^2 + 15) ft. If it has a constant speed of 75 ft/s, determine the x and y components of the van’s velocity and acceleration when x = 50 ft.

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[preetjotsinghdhami]

Thank you so much. My professor was terrible when explaining this. It is so much more clear now.

[vincentbujold-roux]

Did you do the entire dynamics section??

[Omah-znmq]

For the accelration why didnt you use Pythagorean theorem to solve for ax and ay like you did with velocity as the magnitude of acceloration in this case is 0?

[piyayingverz]

can i ask why is there a vx after Vy=-3(10^-3)x ?? it wasnt taught to us properly so i am confused