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B
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C
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D
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Solution
The correct option is A Given curve is So, we can write the equation from the graph as v=−v0x0x+v0
Thus, we have a=dvdt=d(−v0x0x+v0)dt=−v0x0dxdt ⇒a=−v0x0v=−v0x0(−v0x0x+v0) ⇒a=−v20x0(1−xx0)=v20x20x−v20x0
Hence, from the above equation we can see that the equation has slope positive and negative intercept value, so the possible a−x graph is