Answer:
option A
Explanation:
given,
Length of boat = 4 m
width of boat = 2 m
height up to which water is displaced = 1 m
Volume of water displaced by the boat
V = L x B x H
V = 4 x 2 x 1
V = 8 m³
buoyant force acting on the boat
F_b = ρ g V
m g = ρ g V
m = ρ V
ρ is the density of water which is equal to 1000 Kg/m³
m = ρ V
m =1000 x 8
m = 8000 Kg
hence, mass of the boat is equal to 8000 Kg
so, the correct answer is option A
I think it is 500 cm. Hope I helped!
The volume of water is 2500m³ and the fractionof the water is 73.5% of the water contained in that portion of the aquifer would have been removed.
What is aquifer?
An aquifer is a subterranean layer of porous, water-bearing rock, rock fissures, or unconsolidated materials. A water well can be used to obtain groundwater from aquifers. The features of aquifers vary widely. Aquitard is a low-permeability bed along an aquifer, while aquiclude (or aquifuge) is a solid, impermeable region below or covering an aquifer, the pressure of which could form a restricted aquifer.
Area of the unconfined aquifer=10000m².
water table drops by 1m
porosity = 34%
specific yield= 25%
Volume of water removed= Sy× volume
= 0.25×10000×1
= 2500m³
Fraction of water removed = 25/34
= 0.735
= 73.5% of water removed
To know more about aquifer reaction click-
brainly.com/question/1177387
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A stationary electric charge, typically produced by friction, which causes sparks or crackling or the attraction of dust or hair.
