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If a stone reaches the ground …

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If a stone reaches the ground in 3s what is the height of the ground ?

Posted by Parneet Kaur 3 years, 8 months ago

CBSE > Class 09 > Science

2 answers

Princ Kumar 3 years, 8 months ago

45

Satyam Bhatt 3 years, 8 months ago

Initial velocity=0 a=10m/s^2 T=3sec By using 2nd eq. Of motion s=ut+1/2at^2 s=0*3+1/2*10*3*3 s=45m Hence displacement is 45m

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