what is acceleration of a vehicle moving in a straight line that changes its velocity from 100 km per hour to dead stop in 20 seconds
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u = 0
v = 100km/h
this implise 100*5/18
= 28 m/s apporx.
t = 20 sec.
therefore
a = v - u/t
= 28 - 0/20
= 1.4 m/s^2
v = 100km/h
this implise 100*5/18
= 28 m/s apporx.
t = 20 sec.
therefore
a = v - u/t
= 28 - 0/20
= 1.4 m/s^2
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