Q)
(chatquestion)...What is the average speed of the particle over the Intervals in (a) and a 2
The velocity-time graph of a particle in one-dimensional motion is sho
Fig. 3.29:
3.28
Consider the po
where coordinates
Suppose now that de
decrease and appeach m
to the line PQ as dg-0, u0. You cn
polnt P as shown in Pg, 3.30s Ths m
P. denoted by m
t2
m Im
Fig. 3.29
The limit of the ratio by/x as Ax au
Which of the following formulae are correct for describing the motion of the particle
over the time-interval t
and is written as dy/dx t.
I represe
to t:
point (x. y).
Since y= f(d and y+Ay SU
(a) xft,) = xft,) + v (t,) (4,-4,) fA a (t,-t,P
(b) vit,) = vft,) + a (t,-t,)
(c) v
= (xit) - xt,))/(t,- t,)
3 (ult,) – u(t,))/(L, - t,)
dy
uerge
(d) a
(e) xit,) = x(t,) +v
) xft,)-xft,) = area under the v-t curve bounded by the t-axis and the dotted line
shown.
Iim
dx
dx
(t-t,)+(2) a
(t,-t,P
Guerage
average
Given below are some eleme
represent arbitrary function
of y Derivatives of some C...(Why isn't d option correct, i understand that velocity and acceleration aren't constant here but why isn't the average acceleration and average velocity working over here?)
...
