PLEASE HELP The turret of a tank fires and 18.6 kg projectile horizontally at 1750 m/s. What is the recoil velocity of the 61,400 kg tank?

Which type of circuit is becoming more common in residential electrical design and construction? a. hazardous-area circuit b. three-phase circuit c. 480-volt circuit d. communication circuit

22. the effect of threshold braking is to a cause skids. b. lock wheels. c. prevent locking of wheels. d. increase stopping distance.

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?