Answer Happy

Posted: **Thu Jul 07, 2022 12:05 pm**

: Current Attempt In Progress A Flywheel Is A Solid Disk That Rotates About An Axis That Is Perpendicular To The Disk At I 1 (23.23 KiB) Viewed 17 times

: Current Attempt In Progress A Flywheel Is A Solid Disk That Rotates About An Axis That Is Perpendicular To The Disk At I 2 (21.81 KiB) Viewed 17 times

Current Attempt in Progress A flywheel is a solid disk that rotates about an axis that is perpendicular to the disk at its center. Rotating flywheels provide a means for storing energy in the form of rotational kinetic energy and are being considered as a possible alternative to batteries in electric cars. The gasoline burned in a 102-mile trip in a typical midsize car produces about 2.76 x 10° J of energy. How fast would a 21.2-kg flywheel with a radius of 0.324 m have to rotate to store this much energy? Give your answer in rev/min. Number i Units
A bowling ball encounters a 0.760-m vertical rise on the way back to the ball rack, as the drawing illustrates. Ignore frictional losses and assume that the mass of the ball is distributed uniformly. The translational speed of the ball is 3.95 m/s at the bottom of the rise. Find the translational speed at the top. Number Mi WW Units 0.760 m