What is the minimum current rating of the motor disconnecting means for a 40-horsepower, 208-volt, 3-phase squirrel-cage motor?

Answer: The correct answer is green house effect.

Explanation:

Green house effect:It is a process in which the infrared rays coming from the sun gets absorbed or re-emitted in the atmosphere. In this way the heat is trapped in the atmosphere.

In the given problem, glass windows allow light in, but trap the heat inside. This effect is due to the green house effect.

Convection: It is a process in which there is an actual movement of heat particle.

Conduction: It is a process in which there is no actual movement of the particle. It transfers heat directly from one place to another.

Global warming: The gradual increase in the overall temperature of earth's atmosphere that causes change in the climate. It is the result of the green house effect.

Therefore, glass windows allow light in, but trap the heat inside. This describes green house effect.

True , In a voltaic cell, the anode is the electrode where oxidation occurs and electrons are produced. The cathode is the electrode where reduction occurs and electrons are consumed.

The electrons flow from the anode to the cathode through an external circuit, which generates an electric current. This flow of electrons is what produces the electrical energy in the cell.

In a voltaic cell, also known as a galvanic cell, a spontaneous redox reaction occurs, which results in the conversion of chemical energy into electrical energy. This redox reaction involves the transfer of electrons from one substance to another.

The electrons produced at the anode flow through the external circuit to the cathode. This flow of electrons is driven by the difference in electric potential between the anode and the cathode.

This potential difference is often referred to as the cell voltage or electromotive force (EMF) of the cell.

As the electrons flow through the external circuit, they produce an electric current, which can be used to power electrical devices.

Meanwhile, the redox reaction continues within the cell, with electrons being transferred from the anode to the cathode via an ionic bridge or salt bridge, which allows the movement of ions between the two half-cells to maintain charge neutrality.

Overall, the flow of electrons from the anode to the cathode through the external circuit is what produces the electrical energy in a voltaic cell.

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Answer:

A)  

A large truck has a much larger mass.

Explanation:

Since we know that momentum is defined as the product of mass and velocity

so here we can say

so here more momentum will say that the product of mass and velocity will be more

so here as we compare the car and truck we can say that truck will have more momentum because the mass of the truck will always be greater than the mass of car

due to this huge difference in the mass of car and truck we can say that truck will always have more momentum than car.

Unit 1 lesson 8

1.B) gravitational

2.A) centripetal force

3.C) gravitational force

4. Inertia

5. Force, mass

6. Bowling

100%!!

Answer:

current = 0.0027 A

Explanation:

the resistivity of upper leg

Resistance of upper leg

  = 551.27 ohm

current

current = 0.0027 A