arnulfoguevara arnulfoguevara

05-12-2016
Physics

contestada

A car starts from a stopped position at a red light. At the end of 30 seconds, its speed is 20 meters per second. What is the acceleration of the car?

A. 1.5 m/s
B. 0.7 m/s
C. 0.7 m/s 2
NEED help please HEELLPP

Respuesta :

gzheng99 gzheng99

06-12-2016

a=deltav/t
Vf=20m/s
Vi=0m/s
(20-0)/30
=0.667 m/s^2

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