contestada

A trolley at rest is pushed to accelerate at a
uniform rate of 0.50 m/s2. What is its velocity after it
has traveled 4.0 m?
A. 0.13 m/s
B. 2.0 m/s
C. 3.5 m/s
D. 4.0 m/s

Respuesta :

pfellas
V^2 = 2a S
V = square root ( 2 x 0.5 . 4)
V = 2 m/s
Answer is B

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