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Zolol [24]
3 years ago
13

A car travels at 15 m/s for 10 s. It then speeds up with a constant acceleration of 2.0 m/s2 for 15 s. At the end of this time,

what is the magnitude of its velocity? A). 45 m/s B). 15 m/s C). 30 m/s D). 375 m/s
Mathematics
1 answer:
jekas [21]3 years ago
6 0
V o = 15 m/s,  a = 2 m/s²,  t = 15 s
v = v o + a · t
v = 15 m/s + 2 m/s² · 15 s = 15 m/s + 30 m/s = 45 m/s
Answer: A ) 45 m/s 
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