A 6.0 m long cantilevered border crossing gate is balanced by a 2100 N counter weight suspended from
the thick end of the tapered beam. If the beam weighs
960 N, X = 85 cm, and y = 515 cm, how far from
end "A" (horizontally) is the beam's centre-of-mass
located2

What should the power status of a circuit be when measuring resistance with an ohmmeter?

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

What do the atoms of elements in the same group have in common? a. they have the same atomic numbers. b. they have the same average atomic masses. c. they have the same number of electron shells. d. they have the same number of electrons in their outermost shells.