What net force is required to push a sofa with a mass of 59 kilograms so that it accelerates at 9.75 meters/secondæ? (assume a flat, frictionless surface.)

In science and physics what is the standard unit of measure for speed?

What is the rate of 12 liters of water moving through a water hose in 4.0 minutes?

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