the distance (s) travelled by a body in time (t) is given by S=ut+1/2a*t^2How is the formula modified when (1)body starts from rest (2) motion of the body unifrorm3) velocity decreases
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1. u=0 if body starts from rest s= 1/2 a* t^2
2. if motion of body uniform that means acceleration a=0, so s= ut
3. velocity decreases means.. instead of acceleration, there is deceleration so sign of a will change to -a
s= ut-1/2 a *t^2
2. if motion of body uniform that means acceleration a=0, so s= ut
3. velocity decreases means.. instead of acceleration, there is deceleration so sign of a will change to -a
s= ut-1/2 a *t^2
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