A train passes a point at some unknown velocity. It took the train 7.2 seconds to travel 100 meters further while accelerating at 0.23 m/s2. What was the initial velocity? If the total time is 12 seconds. *

show the wavelengths of a wave. show the crests of a wave.

an energy transformation flow diagram is shown

where is it ?

energy can be converted from one form to another, but it cannot be created or destroyed in ordinary chemical or physical means. do not understand what you are asking but hope this