liviakmorley
liviakmorley liviakmorley
  • 03-05-2016
  • Physics
contestada

a bus accelerates at -0.5 m/s2 for 12.5 seconds. If the bus had an initial speed of 31 m/s, what is its new speed?

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Divyankasc
Divyankasc Divyankasc
  • 14-05-2016
u = 31 m/s
a = - 0.5 m/s²
v = ?
t = 12.5 s

v = u + at
= 31 - 6.25
= 24.75 m/s
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