A person walking with a stroller at a rate of 1.5 m/s accelerates at a rate of 0.275 m/s2. What is the velocity (in m/s) of the stroller after is has traveled 6.45 m?

2.41m/s

Explanation:

Given parameters:

Initial velocity  = 1.5m/s

Acceleration  = 0.275m/s²

Distance  = 6.45m

Unknown:

Final velocity  = ?

Solution:

To solve this problem, we apply the kinematics equation below:

           v²  = u²  + 2aS

v is the final velocity

u is the initial velocity

a is the acceleration

S is the distance

         v²  = 1.5²  +  (2 x 0.275 x 6.45)  

          v  = 2.41m/s

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explanation:

answer: a) y=-8x+5

a) m= -8

b) m= -2

c) m= 7

d) m= 6