An object is moving along a straight road at the speed of 6 km per hour a, how future away is the object every one hour

Which of the following is considered to be a vector?               a.  temperature    b.  velocity    c.  time    d.  mass

J. j. thomson’s experiment disproved the theory that an atom

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