The pressure at the depth h in the ocean is given by (Stevin's law)

where

is the atmospheric pressure
and

is the pressure exerted by the column of water of height h=4267 m, with

being the water density and

.
Substituting, we find

We want to convert this into atmospheres: we know that 1 atm corresponds to the atmospheric pressure at sea level, so

, therefore we just need to divide by this number:
Answer: 1/R = 1/R1 + 1/R2+ ...+ 1/Rn
R is resistance of system in which there are resistors R1, R2 , ... Rn parallel.
Answer:
The answer is D
The second law of thermodynamics
The energy stored in motion is called kinetic energy.
The coefficient of friction must be 0.196
Explanation:
For a car moving on a circular track, the frictional force provides the centripetal force needed to keep the car in circular motion. Therefore, we can write:
where the term on the left is the frictional force acting between the tires of the car and the road, while the term on the right is the centripetal force. The various terms are:
is the coefficient of friction between the tires and the road
m is the mass of the car
is the acceleration of gravity
v is the speed of the car
r is the radius of the curve
In this problem,
r = 750 m is the radius
is the speed
And solving for
, we find the coefficient of friction required to keep the car in circular motion:

Learn more about circular motion:
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