A bus starting from rest moves
with a uniform acceleration of
0.1 m s2 for 2 minutes. Find (a)
the speed acquired, (b) the
distance travelled.
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Answer:
Speed = 12m/s , Distance = 72m
Explanation:
Initial velocity (U) = 0m/s (becoz it starts from rest)
Final velocity (v) = ?
Acceleration (a) = 0.1m/s2
Time (t) = 2mins = 120sec
Speed is the final velocity = ?
Final velocity = v-u=at
= v - 0 = 0.1 x 120
= v =12m/s
Speed acquired = 12m/s
Distance (S) = ?
S = ut +1/2(at)2
S = 0 x 120 + 1/2 (12 )2
S= 0 + 1/2 (144)
S = 1/2 (144)
S = 72m
Distance = 72 m
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