White light is spread out into its spectral components by a diffraction grating. If the grating has 2,030 grooves per centimeter, at what angle (in degrees) does red light of wavelength 640 nm appear in first order

Amira pulls a 3 pound wagon 4 feet. how much work has she done?

A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n

Describe cytokinesis in plants and animals. in animals: in plants.