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wolverine [178]
4 years ago
11

On cool spring mornings, veils of fog can often be seen rising above warm lakes and ponds. this type fog is an example of ______

__ fog. radiation convection advection evaporation
Physics
1 answer:
brilliants [131]4 years ago
8 0
<h2>Answer: evaporation</h2>

Explanation:

Evaporation fog occurs when surface air is much colder and relatively less saturated than water. Then, when the water evaporates, it inmediately condenses again in small drops of water that stay suspended very close to this body of water.

In other words: This type of fog occurs when cold air moves over warmer water. And it is this difference in temperature that contributes to the formation of fog over the lakes, especially near the polar regions.

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Which electromagnetic wave is used in dental scans?
julsineya [31]

Answer:

X-rays are most often used to examine bones and teeth.

Hope this helps!

8 0
4 years ago
Read 2 more answers
The electric field strength E is measured as:
soldi70 [24.7K]
The correct answer is
<span>force per unit charge.

In fact, the electric field strength is defined as the electric force per unit charge experienced by a positive test charge located in the electric field. In formula:
</span>E= \frac{F}{q}
where
E is the electric field strength
F is the electric force experienced by the charge
q is the positive test charge.
4 0
3 years ago
A 0.40-kg block is attached to the end of a horizontal ideal spring and rests on a frictionless surface. The block is pulled so
lubasha [3.4K]

Answer:

160N/m

Explanation:

According to Hooke's law which states that the extension of an elastic material is directly proportional to the applied force provided that the elastic limit is not exceeded. Mathematically,

F = ke where

F is the applied force

k is the spring constant

e is the extension

From the formula k = F/e

Since the body accelerates when the block is released, F = ma according to Newton's second law of motion.

The spring constant k = ma/e where

m is the mass of the block = 0.4kg

a is the acceleration = 8.0m/s²

e is the extension of the spring = 2.0cm = 0.02m

K = 0.4×8/0.02

K = 3.2/0.02

K = 160N/m

The spring constant of the spring is therefore 160N/m

4 0
4 years ago
A person is standing on a spring bathroom scale on the floor of an elevator which is moving up and slowing down at the rate of 3
aleksklad [387]

Answer:

F_N=1194.24\ N

Explanation:

Given that,

The elevator is moving up and slowing down at the rate of, a=3\ m/s^2

The acceleration due to gravity, g=9.8\ m/s^2

Mass of the person, m = 93.3 kg

To find,

The reading of the scale.

Solution,

As the elevator is moving down with some acceleration. The net force acting on it is given by :

F_N=ma+mg

F_N=m(a+g)

F_N=93.3(3+9.8)

F_N=1194.24\ N

So, the scale will read 1194.24 N.

3 0
4 years ago
Decelerating cor, driver having taken his foot off the accelerator and applying <br>brakes​
Dmitry [639]

Explanation:

In a manual transmission there are three pedals. From left to right, they are: Clutch, Brake, Gas. The clutch is the only pedal you press with your left foot. The other pedals – brake and gas – operate just like they do in an automatic transmission.

6 0
3 years ago
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