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Some informations are given for a body moving in a straight line. The body starts its motion at \( \mathrm{t}=0 \).
\( \mathrm{P} \)
Information I : The velocity of a body at the end
W of \( 4 \mathrm{~s} \) is \( 16 \mathrm{~m} / \mathrm{s} \)
Information II : The velocity of a body at the end of \( 12 \mathrm{~s} \) is \( 48 \mathrm{~m} / \mathrm{s} \)
Information III : The velocity of a body at the
end of \( 22 \mathrm{~s} \) is \( 88 \mathrm{~m} / \mathrm{s} \)
The body is certainly moving with
(1) Uniform velocity
(2) Uniform speed
(3) Uniform acceleration
(4) Data insufficient for generalization
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