Recent content by DTskkaii

Hi, I was hoping someone could help me out with my homework set. I have done a lot of the questions, and it would help if someone could tell me if I have done them correctly. Thanks! :) Q1: Find first derivatives for the following functions (a)g(s,t)=sin(st^3)...

@ Andrien Well, the pole accelerates to the left (opposite the direction of the car) at 0.9m/s^2, and accelerates downward at 9.8m/s^2. These are both constants, but I don't know which to use in the formula. It can't possibly as simple as angular vel=(0^2+2*0.9*90)^1/2

Homework Statement The uniform 3.6m pole is hinged to the truck bed and released from the vertical position as the truck starts from rest with than acceleration of 0.9m/s^2. If the acceleration remains constant during the motion of the pole, calculate the angular velocity of the pole as it...

Homework Statement Construct a triple integral in cylindrical coords to find the volume of the cone r=z, where the height (z value) is limited by z=L. Should be in the form => {int[b,a] int[d,c] int[f,e]} (r) {dr dtheta dz} (Sorry for weird formatting above, brackets purely to make terms...

Question: The flat circular disc rotates about a vertical axis through O with a constant angular velocity of 240rpm. Prior to rotation, each of the 0.5kg sliding blocks has the position x=25mm with no force in its attached spring. Each spring has a stiffness of 400N/m, Neglect any friction...

Upload: diagram.

Homework Statement The flat circular disc rotates about a vertical axis through O with a constant angular velocity of 240rpm. Prior to rotation, each of the 0.5kg sliding blocks has the position x=25mm with no force in its attached spring. Each spring has a stiffness of 400N/m, Neglect any...

I also found the third equation to use as 0=2Aa+2Ac. Using this I found T, and substituted it into find Aa and Ac. However, by this method Aa and Ac and equal with opposite signs (as I should have predicted from the above formula). This is incorrect, so I'm stumped again.

Replying because it doesn't seem that the attachments worked.

Homework Statement The 125kg concrete block A is released from rest in the position shown and pulls the 200kg log up the theta=30degrees ramp. Case 1: if the coefficient of kinetic friction between the log and the ramp is Uk=0.5 (a) Find the magnitudes of velocity and acceleration of the...

Got it all done, hopefully correctly! Thanks heaps Jay :)

Thankyou Jay! I worked out the first part using the kinematic eqn Vf^2 = Vi^2 + 2AD and got that Vf = 38.34m/s. Moving to parts 2 and 3, I am a little bit stuck. I believe that I am supposed to use this 'energy eqn': U1-2 + T1 + Vg1 + Ve1 = T2 + Vg2 + Ve2 or U1-2 = deltaT + deltaVg +...

PROBLEM The problem models a theme park ride similar to the 'Tower of Terror' or Drop Tower (photo below) http://www.zamperla.com/uploads/product/big/Prodotti/tower-rides/flashtower_main.jpg The carriage mass is 1532kg and carries a maximum number of 8 riders with an average of 75kg per...

*removed for revision

*removed for revision* Will post again if I have another question :)