Discover Questions

I am starting to get low grades in chemistry as I am studying an igcse curriculum so I really need help or tips about how to work it out.? Mass of 548 kg is supported from above as shown in the figure. To the nearest newton, what is the tension in Wire 1? How is the source of the river Thames a little hole on flat ground instead of a mountain glacier? Can we resolve velocity? Is the quadratic equation (2x-1)(x+4) the same thing as the quadratic equation 2(x-1/2)(x+4)?