caseyedmondson1 caseyedmondson1

06-11-2016
Physics

contestada

a car accelerates from rest at 3.6m/s^2. how much time does it need to attain a speed of 7 m/s? awnser in units of s.

Respuesta :

itrinity itrinity

06-11-2016

initial velocity: 0
final velocity: 7 m/s
a = 3.6
t = ?
x = ?

(7-0)/3.6 = t
t = 1.94 s

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hassanshahzaib8 hassanshahzaib8

06-11-2016

general formula is acceleration= velocity / time
acceleration / velocity = time
3.6 / 7 = time
0.514 seconds = time

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