Rock 1, of mass m, reaches a maximum height max h after being launched. During the time between the instant rock 1 is launched from height 0 h and the instant it returns to height 0 h , the work done on the rock by the gravitational force is:.

Explain the consequences of this addiction to the brain tissue

The junction rule describes the conservation of which quantity? note that this rule applies only to circuits that are in a steady state.

The stopwatch used by a student to measure velocity of a pulse in a slinky was of least count 0.1 second. he stops the stopwatch when a pulse has made 3 journeys from one end to the other of the slinky. he finds the seconds hand to be at 52nd division. calculate the correct time noted by him.