A)
B)
C)
D)
Correct Answer: D
Solution :
[d] When an object is thrown vertically upwards, then it has some initial velocity. As the object goes up its velocity decreases, because it is moving against the gravity. At the highest point, its velocity becomes zero. After that object begins to fall and its velocity goes on increasing, but its sign would be negative, as it is now moving with the gravity. So, correct graph is shown in option [d].
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