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Mechanics: Choosing a suvat equation

Under constant acceleration and given the acceleration, the final velocity and the time of travel you could find the initial velocity using equation:
v2 = u2 + 2 a s
s = v t –
1
---
2
a t2
s =
u + v
---
2
t
s = u t +
1
---
2
a t2
 v = u + a t

tickcross


Worked Solution:

The question asks for an equation with the acceleration (a) , the final velocity (v) , the time of travel (t) as well as the initial velocity (u) ; the variable missing is the distance travelled (s) .
The only equation with the distance travelled (s) missing is v = u + a t

Mechanics 1 (MEI Structured Mathematics M1) Third Edition (2004) pages 22-28
© MEI Produced by Dr Ron Knott, 3 November 2006
tom . button [AT] mei . org . uk 		Test reference: MechSuvatEquns.html?ref=70013