Two objects, m1 and m2, have an elastic collision. The initial velocity of m1 is +8.0 m/s and of m2 is -4.0 m/s. After the collision, the velocity of m1 is +5.0m/s. What is the velocity of m2?

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell

What is an aquifer for science class

(a) if the pressure in gas is doubled while its volume is held constant, by what factor do (i) vrms and (ii) change? (b) is it possible to boil water at room temperature (20oc) without heating it? explain.