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Answersdistance is not given. how to find time
Answers
answer (1)
they have give inital velocity u =150 cm/s
and then the retardation is nothing but negative acceleration a=10 cm/s^2
since the line is straight the initial point again can be considered 0 i.e S=0
since its motion have uniform acceleration and velocity ,using laws of motion,
S=ut+ 1/2 a (t^2)
S= ut -1/2a(t^2) (its retardation)
substituting the values u get the answer!
hope the answer is right and justified!
about 10 years ago
Nikita
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