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The position ofa body moving on a coordinate line is given by E .. [2 _ 7 i with 5 in meters and t in
The position ofa body moving on a coordinate line is given by E .. [2 _ 7\" i with 5 in meters and t in seconds. when. if ever. during the interval I] st 5.7 does the body change direction? @ i: = 1 sec no change in direction
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