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Question
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 impulses received by the body?
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 impulses received by the body?
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Solution
The correct option is A 2 s
Velocity and momentum are constant from 0−2 s, 2−4 s, .... and so on. The sign of the slope (velocity) is changing every 2 s. Thus, the direction of velocity, and hence the momentum is changing every 2 s. Thus, the body receives an impulse every 2 s.
Velocity and momentum are constant from 0−2 s, 2−4 s, .... and so on. The sign of the slope (velocity) is changing every 2 s. Thus, the direction of velocity, and hence the momentum is changing every 2 s. Thus, the body receives an impulse every 2 s.
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