Question

when an object falls freely , the distance covered by the object is
a. directly proportional to time
b. directly prop. to square time
c. inversely prop. to time
d.direcly prop. to double time

Answer 1

Answer: b

Explanation

S = u.t + 1/2 a.t²

  initial velocity is zero u = 0 ; a = g

       then,  S = 1/2 g.t²

                 S = t²        since g = constant

Therefore distance is directly proportional to square of time.

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