A stone is allowed to fall freely from a certain Height. Neglecting air resistance, which graph represents the variation of velocity `v` with time `t` ?

A body is thrown vertically upwards which graph represents variation of velocity w.r.t time

A body is thrown vertically upwards which graph represents variation of velocity w.r.t time

A tennis ball is released so that it falls vertically to the floor and bounces again. Taking velocity upwards as positive, which of the following graphs best represents the variation of its velocity v with time t ?

which of the following graph represents the variation of resistivity ( rho ) with temperature (T) for copper?

Which of the following graph represents the variation of resistivity ( rho ) with temperature (T) for copper?

The graph shown the variation with times t of the velocity v of an object . Which one of the following graphs best represents the variation of acceleration a of the object with time t ?

The graph shown the variation with times t of the velocity v of an object . Which one of the following graphs best represents the variation of acceleration a of the object with time t ?

The graph shown the variation with times t of the velocity v of an object . Which one of the following graphs best represents the variation of acceleration a of the object with time t ?

A stone is thrown up with a velocity of 20 m/s. Neglecting air resistance calculate the height that the stone will reach