A bus travelling eastwards at 60m/s takes 10 sec to come to half, it's deceleration is equal to
A) 6m/s¯¹
B) -6m/s¯¹
C) 6m/s¯²
D) -6m/s¯²
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a) correct answer is
rr379917:
How can it be 6m/s¯¹
And it is deceleration, how can it be positive.
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