Question

A particle is at x = 5m at t=2s and has a velocity v = 10m/s. Its acceleration is constant at -4m/s2 . Find the initial position at t=o

Answer 1

Given

t = 2s

v = 10m/s

distance = 5m

acceleration = - 4m/s^2

we know that

v = u + at

10 = u - 8

u = 18m/s

when t = 0

then u = 0

then displacement = 0

so s = 0

Answer 2

Answer:

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