"determine the resultant internal loadings acting at the cross sections at points f and g of the frame. set θ = 27º and t = 178 lb."

If the speed of a particle triples ,by what factor does its kinetic energy increase?

With the simplified model of the eye, what corrective lens (specified by focal length as measured in air) would be needed to enable a person underwater to focus an infinitely distant object? (be careful-the focal length of a lens underwater is not the same as in air! assume that the corrective lens has a refractive index of 1.62 and that the lens is used in eyeglasses, not goggles, so there is water on both sides of the lens. assume that the eyeglasses are 1.90

Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?