Question

5
.
A stone of mass 2 kg falls through water with an acceleration of 3 m/s². Ifg= 10 m/s² the resistance
of water is
a) 14 N
b) 12 N
c) 10 N
d) none
201romoving initially with a speed​

Answer 1

Answer:

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Explanation:

mg-N=ma

2*10 - N= 2*3

20-N=6

14N