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Grade 11,

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1) An object is tossed vertically into the air with an initial velocity of 8 m/s. Using the sign convention up as positive, how does the vertical component of the acceleration a y of the object (after leaving the hand) vary during the flight of object? a) On the way up a y > 0, on the way down a y >0 b) On the way up a y > 0, on the way down a y c) On the way up a y y >0 d) On the way up a y y

1)                  An object is tossed vertically into the air with an initial velocity of 8 m/s. Using the sign convention up as positive, how does the vertical component of the acceleration ay of the object (after leaving the hand) vary during the flight of object?


a)      On the way up ay> 0, on the way down ay>0


b)      On the way up ay> 0, on the way down ay<0


c)      On the way up ay< 0, on the way down ay>0


 


d)      On the way up ay< 0, on the way down ay<0 

Grade:11

4 Answers

Aditya Singh
31 Points
10 years ago

d) is the answer..

neeraj
18 Points
10 years ago

c

Anant Garg
27 Points
10 years ago

d)

Soumya Gupta
13 Points
3 years ago
ay=-g ,where g is acceleration due to gravity ,
g always acts in downward direction i.e  
Therefore ay always

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