- How long would it take to construct 1000km rail line?

Discover Questions

Physicssss help pls
A 3.35kg ball and a 6.70kg ball are connected by a 0.64m long rigid, massless rod. The rod is rotating clockwise? Write the chemical equation for the formation of HI from the single, isolated H and I atoms.? Determine the number of valence electrons in POCL3 and then draw Lewis structure with minimized formal charges.? Calculate the amount of heat necessary to raise the temperature of 12.0 kg of water from 15.4oC to 93.0oC.? How would I write out cos(A)*cos(A-B)?