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A bear is free falling from the 500 m high mountain, so it took 10 seconds to come down. Then the color of this bear is?

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asked Sep 27, 2017 in JEE by Ranjit (3,070 points)

1 Answer

+2 votes
answered Sep 27, 2017 by Rohit Singh (61,941 points)
selected Sep 27, 2017 by Ranjit
 
Best answer

Solution: We have

S=(1/2)g(t2)
or g=(2S)/(t2)

g= (2x500)/102

g = 1000/100 = 10m/s

So g=10m/s, this is the maximum value of gravity on earth and occurs at the POLES. So the colour of the bear is WHITE, since it is a POLAR BEAR.

commented Sep 27, 2017 by Ranjit (3,070 points)
Correct true

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