A toy electric train moving at constant speed on a circular track that has a radius of 1.0 meters goes around the track every 10 seconds. What is the centripetal acceleration of the train?​

Amanometer is used to measure the air pressure in a tank. the fluid used has a specific gravity of 1.25, and the differential height between the two arms of the manometer is 34 in. if the local atmospheric pressure is 12.7 psia, determine the absolute pressure in the tank for the cases of the

How to tell if two objects are in thermal equilibrium 1.the objects have the same temperature 2.the objects are the same size 3.the objects are touching each other 4.the objects temperatures are changing

Awave has a wavelength of 7 mm and a frequency of 19 hertz. what is its speed?