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Q. Figure shows the position-time $(x-t)$ graph of one dimensional motion of a body of mass $500\, g.$ What is the time interval between two consecutive received by the body?Physics Question Image

Laws of Motion

Solution:

Figure shows that slope of $x-t$ graph changes from positive to negative at $t = 2 \,s,$ and it changes from negative to positive at $t = 4 \,s$ and so on. Thus direction of velocity is reversed after every two seconds. Hence, the body must be receiving consecutive impulses after every two seconds.