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Q.

Is it true that the equation of motion for a freely falling body in terms of distance traveled(s), time taken(t), and its acceleration(g), is s= 12gt2?


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a

b

False 

answer is A.

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Detailed Solution

The above statement is true.
According to the second equation of motion, the distance travelled by a body in time,(t) having initial velocity u, and acceleration, (a) is,
S= ut+12at2 If the motion is under free fall then,
initial velocity(u) would be =0
Acceleration(a) will be acceleration due to gravity, =g S= 0×t+12gt2
S=12gt2 
 
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