speed 30.000 rpm, and assuming that the Huld particles in contact with the rotat

Question

speed 30.000 rpm, and assuming that the Huld particles in contact with the rotating disk are essentially stuck to it, use the polar coordinate system shown and determine the velocity and acceleration of one fluid particle when it is at r 170 um. Problem 2.198 i The cutaway of the gun barrel shows a projectile that, upon exit, moves with a speed vs 5490 ft/s relative to the gun barrel. The length of the gun barrel is L 15 ft Assuming that the angle 0 is increasing at a constant rate of 0.15 rad/s, determine the speed of the projectile right when it leaves the barrel. In addition, assuming that the projectile acceleration along the barrel is constant and that the projectile starts from rest, Figure P2.198 determine the magnitude of the acceleration upon exit.

Explanation / Answer

t = 15/5490 = .0027 change in angle = .00041

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