Which of the following graph(s) represent retardation ? [v : velocity, t : time, x : position]

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 ?

The velocity v of a particle moving along x - axis varies with ist position (x) as v=alpha sqrtx , where alpha is a constant. Which of the following graph represents the variation of its acceleration (a) with time (t)?

The velocity v of a particle moving along x - axis varies with ist position (x) as v=alpha sqrtx , where alpha is a constant. Which of the following graph represents the variation of its acceleration (a) with time (t)?

Which of the following position-time graph represent uniform motion ?

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 ?

The graph below shws the velocity versus time graph for a body Which of the following graph represents the corresponding acceleration v//s time graph?

The graph below shws the velocity versus time graph for a body Which of the following graph represents the corresponding acceleration v//s time graph?