Draw a velocity versus time graph of a stone thrown vertically upwards and then coming downwards after attaining the maximum height.
Answers
Explanation:
As the stone goes its velocity goes on decreasing (v it is moving against the gravity) and at the highest point i.e., maximum height) its velocity become zero. ... Here, we have taken -u because in the upward motion velocity of stone is in upward direction and in the downward motion, the velocity is in downward direction.
Answer:
Explanation: NOW FIRST OF ALL CONSIDER SIGN CONVENTION GIVEN IN THE QUESTION. NOW TAKING DOWNWARD DIRECTION AS NEGATIVE,
VELOCITY IS GOING TO START WITH A NON ZERO VALUE AND AS VELOCITY AND TIME ARE RELATED BY SINGLE POWER IT WILL BE A STRAIGHT LINE WITH NEGATIVE SLOPE. AT TIME EQUAL TO U/G THE VELOCITY OF BODY WILL BE ZERO. AND THEN IT WILL INCREASE BUT IN NEG DIRECTION ACCORDING TO THE CONVENTION. HENCE THE VELOCITY-TIME GRAPH WILL BE A STRAIGHT LINE WITH NEGATIVE SLOPE.
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