A bus decrease it's speed from 40 km h-1 to 20 km h-1 in 2 second find the acceleration the bus
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Answer:
acc of bus = 22.1 m/s-2
Explanation:
Use equations of motion:
v = u+at
we have to find a so rearanging
a = v-u/t
u (intial velocity) = 40* 5/18 = 11.1 m/s
v (final velocity) = 20*5/18 = 5.5 m/s
t = 2s
Substituting
a = 11.1+(5.5*2)
= 22.1 m/s-2
Hope it helps!
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Answer:
Answer: acc of bus = 22.1 m/s-2. Explanation: Use equations of motion: v = u+at. we have to find a so rearanging. a = v-u/t. u (intial velocity) = 40* 5/18 ...
Explanation:
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