Astone is dropped in a river from a bridge. if it takes 4 seconds to reach surface of water ,calculate the depth of the water level from the bridge .also calculate the velocity with which the stone strikes on the water surface

If one were to put the y value into the equation, they could find out what x is for a certain value of y.  putting in the value of y (1), we get the equation: 1=4x-12=4xx=0.5this means that the value of x when why is 1 is x=0.5

Inelastic is the answer your looking for.

Answertechnician (a) is correct;