liviakmorley liviakmorley

03-05-2016
Physics

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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?

Respuesta :

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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