a bus starting from rest moves with a uniform acceleration of 0.1 ms-2 for 2 minutes. Fingers (a) the speed acquired (b) the distance travelled
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initial speed = u = 0
acceleration = a = 0.1 ms-2
time taken = t = 2 min = 120 sec
a) speed acquired = v =?
as a is uniform
we may apply formula
v = u + at
v = (0) + (0.1)(120)
v = 12 m/s
b) distance travelled = S
S = ut + (1/2) a (t^2)
S = 0 + (1/2)(0.1)(120)(120)
S = 720 metres
acceleration = a = 0.1 ms-2
time taken = t = 2 min = 120 sec
a) speed acquired = v =?
as a is uniform
we may apply formula
v = u + at
v = (0) + (0.1)(120)
v = 12 m/s
b) distance travelled = S
S = ut + (1/2) a (t^2)
S = 0 + (1/2)(0.1)(120)(120)
S = 720 metres
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