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Mechanics: Solving suvat equations

Under constant acceleration if v = 0 ms–1, s = 13 m and u = –3 ms–1 then
t = s to 3 dps or s

tickcross


Worked Solution:

We need a suvat equation with v, s, u as well as t; i.e. an equation with a missing.
So the equation to use is:
s =
u + v
---
2
t
Rearranging to find t
t =
2 s
---
u + v
Substituting the values given for the variables we have t = –8.667 s to 3 dps.

Mechanics 1 (MEI Structured Mathematics M1) Third Edition (2004) pages 22-28
© MEI Produced by Dr Ron Knott, 29 October 2006 revised 12 May 2008
tom . button [AT] mei . org . uk 		Test reference: MechSuvatSolve.html?ref=68613