When is acceleration the greatest on a graph

Answers

Answer 1

Answer: Depends on the graph, but the answer is likely the slope. The greater the slope, the greater the change in whatever is being graphed. In this case velocity vs time.

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Which type of waves from the electromagnetic spectrum are used in heat lamps and heat sensing devices? visible light
ultraviolet rays
radio waves
infrared waves

Answers

Infrared waves are used in heat lamps and other heat sensing devices. Infrared waves or commonly known as Infrared radiations (IR) is the type of electromagnetic radiation we encounter most in our everyday life. Heat lamps are electrical devices which emit infrared radiation.

Final answer:

Infrared waves from the electromagnetic spectrum are used in heat lamps and heat sensing devices, as they can penetrate and heat objects more deeply and are also emitted by objects based on their temperature.

Explanation:

The type of waves from the electromagnetic spectrum that are used in heat lamps and heat sensing devices are infrared waves.

These waves are invisible to the human eye but are detectable as heat. Infrared waves have longer wavelengths than visible light, which enables them to penetrate and heat objects more deeply.

For instance, a heat lamp emits infrared radiation that can warm up the objects it shines upon, while heat sensing devices, like thermal cameras, detect the infrared radiation emitted by objects based on their temperature.

Learn more about Infrared waves
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A 5kg bowling ball is rolling with 75kg*m/s. How fast is it going?

Answers

Answer:

you are going 1 mile per hour depending on how fast

Explanation:

I live in the city. It's always warmer in the city, compared to other areas, even at night. Why is that? The rain shadow effect makes surrounding areas cool and moist and the city warm and dry. Buildings absorb and retain heat from the Sun, producing the urban heat island effect. Lake effect snow only affects areas outside of the city. The city receives lake effect snow.

Answers

I live in the city. It's always warmer in the city, compared to other areas, even at night. Why is that?

A.) The rain shadow effect makes surrounding areas cool and moist and the city warm and dry.

B.) Buildings absorb and retain heat from the Sun, producing the urban heat island effect.

C.) Lake effect snow only affects areas outside of the city.

D.) The city receives lake effect snow.

An atom of sodium-23 (atomic number = 11) has a positive charge of +1. Given this information, how manyelectrons does it have? How many protons and neutrons does this atom have?

Answers

An atom of sodium-23 (atomic number = 11) with a positive charge of +1 has total number of 10 electron and this atom has 11 protons and 12 neutron.

What is atom?

Protons, neutrons, and electrons make up an atom, with hydrogen being the sole exception since it lacks neutrons.

Every atom has a nucleus, which is surrounded by one or more electrons.
Protons and neutrons, together known as nucleons, normally make up the same number of the nucleus.
Neutrons are neutral, protons are positively charged, and electrons are negatively charged.

Given: An atom of sodium-23 (atomic number = 11) has a positive charge of +1.

So, total number of electrons it have = 11 -1 = 10.

total number of proton it have = 11.

total number of neutron it have = 23 -11 = 12.

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It has a 10 electrons. Since it's atomic number is 11 it must have 11 protons. Also, given that it has a +1 charge, it has one less electron than protons since they have equal but opposite charges. The number of protons is the mass number minus the atomic number = 23-11= 12 neutrons.

Climate gets colder closer to the poles becausea, the ice at the poles absorbs the Sun`s rays.

, atmospheric and oceanic clrulation patterns move cold air toward the poles.

c, heat from the poles is transferred toward the equaror.

d. the Sun`s rays are less concentrated near the poles.

Answers

Answer: The correct answer is- the Sun's rays are less concentrated near the poles.

The axis of the Earth is tilted, which causes the temperature difference between the Equator and polar regions of Earth.

Equator gets direct sunlight during the entire year whereas due to the tilted axis, polar regions are prevented to receive direct sunlight.

Also equator is aligned at 90 degrees to the sun, but as we move towards the poles, the angle of incident sunlight is increased exponentially.

So the intensity of the sun's rays is decreased or sunlight becomes less concentrated near the poles, resulting in colder climate closer to the poles.

Climate gets colder closer to the poles because the Sun`s rays are less concentrated near the poles. The answer is letter D. Also, the Earth is tilted causing the Sun’s ray to be farther from the poles.

For the elements with the electron affinities given in the table in the introduction, which element is most likely to accept an electron?