ANSWER THESE 3 QUESTION AND I WILL GIVE OUT THE BRAINLIEST
2 answers:
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What is a positive acceleration ?
<h2>If the velocity of an object increases with time, its acceleration is positive.
<h2 /><h2>What is a zero acceleration ?
<h2>Zero acceleration is an acceleration, just with zero magnitude. Motion with constant velocity is just a special case of motion with uniform acceleration.
<h2>What is a negative acceleration ?
<h2>A negative acceleration means you will subtract from the current value of the velocity, and a positive acceleration means you will add to the current value of the velocity. ... And if the acceleration points in the opposite direction of the velocity, the object will be slowing down.
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Answer:
Explanation:
Since it first order, we use order rate equation
In ( ) = -kt where A1 is the final quality = 0.8 (80%), A0 is the initial quality = 1 ( 100%)
also, t half life = where k is rate constant
k = = 0.0154
In ( ) = - 0.0154 t
-0.223 / -0.0154 = t
t = 14.49 approx 14.5 days from the date the yogurt was packaged