A trimmer for cutting weeds and grass near trees and borders has a nylon cord of 0.202-m length that whirls about an axle at 664 rad/s. What is the linear speed of the tip of the nylon cord

A4.0-cm tall light bulb is placed a distance of 32.0 cm from a concave mirror having a focal length of 16.0 cm. determine the image distance

First answer marked as brainiest which is the correct equation describing the first law of thermodynamics? a) when the internal energy of a system changes, it equals the amount of heat added plus the work done. b) when work is done by the piston, it is equal to the heat added plus the change in internal energy of the system. c) when heat is added to the system, it is equal to the amount of work done by the piston plus the change in internal energy of the system.

Elements on the periodic table are ordered according to their