Question
Wed June 04, 2008 By: Mehak Saini

in the equation s=ut+1/2at*t is accelaration +ive, -ive ,constant or zero?

Expert Reply
Wed June 04, 2008

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.

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