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madreJ [45]
4 years ago
14

Which statement about ocean surface currents is false?

Physics
1 answer:
Alla [95]4 years ago
4 0

A) they have no effect on air temperature over land on the coast is False

Explanation:

  • warm and cold ocean currents can influence the coastal areas only when the air is blown into the land from the sea.
  • the temperature over the land increases when warm ocean currents heat the air above the ocean.
  • the temperature over the land decreases when cold ocean currents cool the air above the ocean and can bring colder winds to the coastal regions.
  • so, ocean currents play a major role in regulating the air temperature over land on the coastal region.

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Why can’t we see microwaves
motikmotik

Answer:

The human retina can only detect incident light that falls in waves 400 to 720 nanometers long, so we can't see microwave or ultraviolet wavelengths. This also applies to infrared lights which has wavelengths longer than visible and shorter than microwaves, thus being invisible to the human eye.

8 0
3 years ago
The cylindrical tub of a dryer in a laundromat rotates counterclockwise about a horizontal axis at 41.5 rev/min as it dries the
frozen [14]

Answer:

\theta = 49.81^0

Explanation:

Given that:

\omega = 41.5 \ rev/min\\\\\omega = 41.5 *\frac{1}{60}* 2 \pi\\\\\omega = 4.45 \ rad/s\\\\\\diameter = 0.748 m

If we let the piece of the close lose contact at ∠θ;

Then ; from force balance;

we have:

\\\\mg sin \theta = \frac{mv^2}{r}\\\\sin \theta = \frac{2v^2}{dg}\\\\\theta = sin^{-1} (\frac{2v^2}{dg})

where;

v = \frac{\omega d}{2}\\\\v =  \frac{4.45 *0.748}{2}\\\\v = 1.6643\\\\v^2 = 2.77

Again:

\theta = sin^{-1}(\frac{2v^2}{dg})\\\\\theta = sin^{-1}( \frac{2*2.77}{0.74*9.8})\\\\\theta = 49.81^0

6 0
3 years ago
A satellite is acted upon by a 10n force upwards and 20n force downwards. What is the net force acting on the satellite and what
Lina20 [59]

Answer:

Net force = 10 N in downward direction

Explanation:

Given that,

Upward force = 10 N

Downward force = 20 N

Let downward is negative and upward is positive.

Net force = 10+(-20)

= -10 N

So, the net force is 20 N and it is acting in downward direction.

8 0
3 years ago
What happens when an object is dropped? A. It decelerates at a rate of 9.8 m/s/s. B. It travels 9.8 meters before stopping. C. I
andreev551 [17]
I think its c I really don't take physics but I try to help.
5 0
3 years ago
1
Luda [366]

Explanation:

heat engine is correct answer

3 0
3 years ago
Read 2 more answers
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