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CBSE Class 9 Answered

in the equation s=ut+1/2at*t is accelaration +ive, -ive ,constant or zero?
Asked by mehaksaini | 04 Jun, 2008, 02:46: PM
Expert Answer

in this equation the sign of a is taken as +(positive) when the body is acceleration or when body is free falling from a height a is taken as - (negative) when the body is deacceleration or retarding or when a body is thrown up against the gravity.

Answered by | 04 Jun, 2008, 05:14: PM
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