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kicyunya [14]
3 years ago
13

A gazelle can change its speed from 0 to 45 mph in 2 seconds. What is the gazelle's acceleration?

Mathematics
2 answers:
Alex787 [66]3 years ago
3 0

Answer:

average acceleration a=change in velocity / time it took to get to velocity  

a=(45-0)mph / 2s = 22.5 mph/hr/s

Step-by-step explanation:


Kazeer [188]3 years ago
3 0

Answer:

22.5 m/s^2

Step-by-step explanation:

Givens

vi=0

vf = 45 mph

t = 2 seconds

a = ??

Formula

a = (vf  -   vi)/t

a = (45 - 0)/2

a = 22.5 m/s^2 That's an incredible change of speed.

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Here, the given question is INCOMPLETE.

Laura takes very good care of her vehicles. She owns a blue van and a red truck. Although she bought them both new, she has owned the truck for 17 years longer than she has owned the van. If the sum of the ages of the vehicles is 41 years, how old is the van and how old is the truck?

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