Question

10
A constant retarding force of 10 NİS
exerted to a body of mass 20kg,
moving initially with a speed of
10m/s. How long does the body
take to stop?​

Answer 1

Answer:

wkt acceleration=force/mass=0.5

according to the question v=0(final velocity)

wkt v=u+at

so 0.5t=-10

or t=20s

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