B.) They have no effect on air temperature over land on the coast.
Explanation:
The statement that ocean surface currents do not have any effect on air temperature over land on the coast is very incorrect.
In fact, ocean surface currents shapes the coast a whole lot.
- There is a constant interaction between the ocean surface current and the air masses on land.
- They interact by simple convection through which heat is transferred from one point to the other.
- During the day, air masses moves from the land to the ocean because air around the coast are hotter and less dense.
- They are quickly replaced by colder and less denser air from the ocean.
- At night the reverse is the case.
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Answer:
A
Since the car is moving to the right, the Normal Force is balancing the Weight and the Net Force is 10 N, right.
Explanation:
as the answers says, the only two forces in the y axis are the normal force and the weight, and they balance each other. On the x axis, you have 20N to the right and the friction is a force that opposes the movement, so the 10N are to the left. The net force is 20 - 10 = 10N.
We have that the Force is mathematically given as
F=170.833N
<h3>
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Force </h3>
Question Parameters:
- The torque required to loosen a nut that is holding a flat tire in place on a car has a magnitude of 41 N · m,
- the end of a 24 cm-long wrench to <em>loosen </em>the nut
Generally the equation for the Force is mathematically given as
Therefore
F=41/0.24
F=170.833N
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Answer:
The pressure exerted by the woman on the floor is 1.9061 x 10⁷ N/m²
Explanation:
Given;
mass of the woman, m = 55 kg
diameter of the circular heel, d = 6.0 mm
radius of the heel, r = 3.0 mm = 0.003 m
Cross-sectional area of the heel is given by;
A = πr²
A = π(0.003)²
A = 2.8278 x 10⁻⁵ m²
The weight of the woman is given by;
W = mg
W = 55 x 9.8
W = 539 N
The pressure exerted by the woman on the floor is given by;
P = F / A
P = W / A
P = 539 / (2.8278 x 10⁻⁵ )
P = 1.9061 x 10⁷ N/m²
Therefore, the pressure exerted by the woman on the floor is 1.9061 x 10⁷ N/m²
Answer:
Options (A), (B), (D), and (E).
Explanation:
Density is a physical property that describes the relationship between mass and volume. This property shows whether an object will float or it will get sink. The density of substances changes with the changing temperature, as both are inversely proportional to each other.
Mathematically, density can be written as,
Density = 
ρ = 
, Where, ρ = density, m = mass, v = volume
Thus, the correct answers are options (A), (B), (D), and (E).
