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Answers
Answer:
Special characteristic of ferns icludes:
- They do not produce seeds however they reproduce through special organ called spore.
- Most ferns are called leptosporangiate ferns, they produce coiled fiddleheads that coils into fronds.
- Ferns are commonly known as ornamental plants because of their delicate appearance and bright colors.
- Ferns have a huge variety of plants exhibiting different characteristics.
- They are vascular plants.
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Explanation:
Answer:
Power (P) =2kw =2000w
Power(P) in watts =J/s
1 watts = 1 J/s
Therefore , 2000w = 2000 J/s
One minute = 60 seconds
Power (P) is also given by
P= Work done ( W )/( t ).....( 1 )
w = mgh
Height (h) = 10m
g = 9.8m/s2
Applying all the above data in equation( 1 )
P=(m×9.8×10) / 60
Therefore, m = 1224.489 Kg
Thus , the electric pump can lift 1224.489 Kg , every minute to height of 10 m.
I wish it was helpful for you.