Olivia fires an arrow at a bird sitting 20m up in a tree. The arrow has a mass of 0.010 kg and leaves the bow moving at 22 m/s from a height of 1.0 m above the ground. When the arrow impacts it is moving at 12 m/s. Find the fate of the bird using conservation of energy techniques

Two polarizers are oriented at 24.0∘ to one another. light polarized at a 12.0-degree angle to each polarizer passes through both. what is the transmitted intensity (%)?

Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?

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