Xavier ran 400 m east. He then turns around and runs 400 m west. He does this in 3 minutes. What is his velocity in mins?

How many grams of magnesium metal will react completely with 8.3 liters of 5.5m hcl? show all work

What are the chemical names of these compounds? ke: mg3n2: reset next

Two people each hold the end of a rope and create waves by moving their arms up and down. this wave is best classified as a transverse wave because a) both the rope particles and the wave are moving in the same direction. b) the wave is moving up and down as the particles of the rope move horizontally. c) the wave is moving horizontally as the particles of the rope move up and down. eliminate d) the wave is moving in a parallel direction with the motion of the person's arms.