A solid sphere rolls up an inclined plane of inclination angle 40 degrees. At the bottom of the incline, the center of mass of the sphere has a translational speed of 19 ft/s. How far (in feet) does the sphere roll up the plane (distance along the plane)

Consider two metallic rods mounted on insulated supports. one is neutral, the other positively charged. you bring the two rods close to each, but without contact, and briefly ground the the neutral rod by touching it with your hand. show answer correct answer what would be resulting charge (if any) on the initially neutral rod

The ratio of lift to drag l/d for a wing or airfoil is an important aerodynamic parameter, indeed, it is a direct measure of the aerodynamic efficiency of the wing. if a wing is pitched through a range of angle of attack, l/d first increases, then goes through a maximum, and then decreases. consider an infinite wing with an naca 2412 airfoil. estimate the maximum value of l/d. assume that the reynolds number is 9x10^6.

Mga halaman/punong ornamental na di namumulaklak