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4 years ago

Center of low pressure are called

Physics

2 answers:

dsp734 years ago

5 0

The answer is D) Cyclones. I am 100% sure on this one, so yeah. Hope this helps, and good luck. :D

Artemon [7]4 years ago

3 0

Answer: The correct answer is option D.

Explanation:

A surface of low pressure center is the point or space where pressures measured to be the lowest in comparison to its surroundings.Low pressure centers often represent the center of mid-latitude cyclones.

Anti cyclones is a weather phenomena where atmospheric pressure is higher at the center around which air moves or circulates at slow speed.

Air mass of the body of air with uniform humidity pressure and temperature.

Jet-streams are fast flowing air currents found in the atmosphere around 10 km above the surface of earth.

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The sugar molecule known as sucrose is a polar molecule. Which statement BEST summarizes how sucrose will dissolve in water?

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I believe the answer is C

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3 years ago

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lara31 [8.8K]

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3 years ago

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The suspension cable of a 1,000 kg elevator snaps, sending the elevator moving downward through its shaft. The emergency brakes

tester [92]

Answer:

option (E) 1,000,000 J

Explanation:

Given:

Mass of the suspension cable, m = 1,000 kg

Distance, h = 100 m

Now,

from the work energy theorem

Work done by the gravity = Work done by brake

mgh = Work done by brake

where, g is the acceleration due to the gravity = 10 m/s²

Work done by brake = 1000 × 10 × 100

Work done by brake = 1,000,000 J

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Hence, the correct answer is option (E) 1,000,000 J

4 0

4 years ago

What does Electromagnetic induction mean?

mina [271]

Answer:

Electromagnetic introduction is the production of an electromotive force (voltage) across an electrical conductor in a changing magnetic field.

Step up transformers is a transformer in which the output (secondary) voltage is greater than its input (primary) voltage is called a step-up transformer. The step-up transformer decreases the output current for keeping the input and output power of the system equal.

Step down transformer is a transformer in which the output (secondary) voltage is less than its input (primary) voltage is called a step-down transformer. The number of turns on the primary of the transformer is greater than the turn on the secondary of the transformer.

The difference between them:

A transformer is a static device which transfers a.c electrical power from one circuit to the other at the same frequency, but the voltage level is usually changed. For economical reasons, electric power is required to be transmitted at high voltage whereas it has to be utilized at low voltage from a safety point of view. This increase in voltage for transmission and decrease in voltage for utilization can only be achieved by using a step-up and step-down transformer.

Hopefully this helped.

7 0

3 years ago

In this experiment you will investigate which of the following properties of Faraday's law of electromagnetic induction? (Select

11Alexandr11 [23.1K]

Answer:

Answered

Explanation:

Part A

According to Faraday's law the induced emf in coil is equal to negative of its rate of change of magnetic flux time the number of turns in the coil.

$\epsilon = -N\frac{d\phi}{dt}$ = $-N\Delta\frac{BA}{\Delta t}$

When an emf generated by a change of magnetic flux, produced current of whose magnetic field opposes the change which produces it.

By the above equation the correct options are 1,2 and 4

Part B

Large signals of frequency of 60Hz are measured by osciloscope.

Hence the correct option is part 1.

3 0

3 years ago