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docker41 [41]
3 years ago
13

When cyclist squeezes her brake lever, she can stop with an acceleration of -3.0 m/s^2 how far will her bike travel while coming

to a complete stop if her initial speed was 11 m/s
Mathematics
2 answers:
kaheart [24]3 years ago
8 0

Answer:

20.2 m

Step-by-step explanation:

APEX

Blizzard [7]3 years ago
7 0
We shall use the formula
v² = u² + 2as
where
v =  final speed. v = 0 because the cyclist comes to a complete stop.
u = initial speed. u = 11 m/s, given
a = acceleration. a = -3.0 m/s², given
s =  distance traveled, m.

Therefore
0 = 11² + 2(-3.0)*s
0 = 121 - 6s

That is,
6s = 121
s = 121/6 = 20.167 m

Answer: 20.2 m (nearest tenth)

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