An electric vehicle starts from rest and accelerates at a rate of 2.3 m/s2 in a straight line until it reaches a speed of 15 m/s. The vehicle then slows at a constant rate of 1.1 m/s2 until it stops. (a) How much time elapses from start to stop? (b) How far does the vehicle move from start to stop?
-
Feeling a bit sleepy today but I'll try :)
a) 20.2 seconds
(15/2.3)+(15/1.1)
b)302.4m
(15*(15/2.3))+(15*(15/1.1))
sorry if its wrong but i hope its right :)
a) 20.2 seconds
(15/2.3)+(15/1.1)
b)302.4m
(15*(15/2.3))+(15*(15/1.1))
sorry if its wrong but i hope its right :)