Question

Draw a time speed graph and find the retardation of the body from 8s to 14s ..

Time(sec) - 0,2,4,6,8,10,12,14
Displacement (m) - 0,10,10,10,10,7,5,0
answer asap

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Answer 1

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Answer 2

Answer:

Given :

»» When (1) t1 = 8 s , t2 = 10 s

x1 = 10 m , x2 = 7 m

.°. V = (x2-x1)/(t2-t1)

= (7-10)/(10-8)

= -3/2

.°.»» V = -1.5 m/s

»» When (2) t1 = 12 s, t2 = 14 s

x1 = 5 m, x2 = 0 m

.°. V = (x2-x1)/(t2-t1)

= (0-5)/(14-12)

= -5/2

.°.»» V = - 2.5 m/s ,,

»»Hope it helps !!

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