Answered

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Mary finishes a marathon at a speed of 2 m/s. If her
acceleration period is 4 seconds, then what is her average
acceleration (in m/s?)?

Sagot :

Eyadaqrabawi

Explanation:

v2 = v1 + at

v2 final speed

v1 initial speed

a acceleration

t time

2 = 0 + 4 a

a = 1/2

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