Kinematics Question 175

Question: A stone falls from a balloon that is descending at a uniform rate of 12m/s . The displacement of the stone from the point of release after 10 sec is

Options:

A) 490 m

B) 510 m

C) 610 m

D) 725 m

Show Answer

Answer:

Correct Answer: C

Solution:

u=12 m/s , g=9.8 m/sec2 , t=10 sec

Displacement =ut+12gt2

=12×10+12×9.8×100=610m



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