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
Answer Link
hassanshahzaib8
hassanshahzaib8 hassanshahzaib8
  • 06-11-2016
general formula is acceleration= velocity / time 
acceleration / velocity = time 
3.6 / 7 = time
0.514 seconds = time 
Answer Link

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