Estimate the terminal speed of a wooden sphere (density 0.870 g/cm^3) falling through air, if its radius is 7.00 cm and its drag coefficient is 0.500. (The density of air is 1.20 kg/m^3.) 1 m/s

True or false: the cycle of seasons on the earth is caused by the tilt of the earth on its axis toward and away from the sun.

A26 cm object is 18 cm in front of a plane mirror. a ray of light strikes the object and is reflected off the mirror at a 42-degree angle. what is the angle of reflection? degrees what type of image is formed? what is the size of the image? cm

This energy transformation diagram represents the energy of a skateboarder moving along a half-pipe. as she skates toward the top of the half-pipe, her original kinetic energy is converted to potential energy and friction. how much of the energy is potential?