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dezoksy [38]
3 years ago
12

A roach moves down the hall at 1.2 m/s. When he sees the janitor coming down the hall, he begins to run. After 3.2 s, he is movi

ng at 3.6 m/s. What is his acceleration
Biology
2 answers:
devlian [24]3 years ago
7 0

Answer:

The acceleration is

Explanation:

Vo=Initial velocity

V= Final velocity

a= acceleration

t= time

V = Vo + a*t.

Vo = 1.2 m/s, V = 3.6 m/s, t = 3.2 s, a = ?.

3.6=1.2 + a x 3.2, so

3.6-1.2=3.2a

2.4=3.2a

a= 2.4/3.2

=0.75 m/s2

Ierofanga [76]3 years ago
4 0

Answer:

0.75 m/s^2.

Explanation:

Given:

vi = 1.2 m/s

vf = 3.6 m/s

t = 3.2 s

Using the equation of motion:

vf = vi + at

3.6 - 1.2 = 3.2a

a = 2.4/3.2

= 0.75 m/s^2.

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