During a curling competition, a curler accelerates a 20.Okg curling rock at a rate of 0.95 m/s2 down a frictionless lane of ice. Determine the distance the curler's hand is in contact with the rock if 50.0J
of work was done on the rock by the curler during the release.

The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force

What is the thinnest soap film (excluding the case of zero thickness) that appears black when illuminated with light with a wavelength of 480 ? the index of refraction of the film is 1.34, and there is air on both sides of the film. express your answer in nanometers. hint 1. how to approach th

Both independent and dependent clauses