﻿ The sun's _____ is the layer that emits visible light. - AssignmentGrade.com

# The sun's _____ is the layer that emits visible light.

QUESTION POSTED AT 18/04/2020 - 07:06 PM

The Photosphere is the right answer

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### 1. An object is moving to the right in a straight line. The net force acting on the object is also directed to the right, but the magnitude of the force is decreasing with time. How will the motion of the object change? a. It will continue to move to the right, its speed increasing with time. b. It will stop and then begin moving to the left. c. It will continue to move to the right at a constant speed. d. It will continue to move to the right, its speed decreasing with time. 2. A glass table top is able to exert a maximum normal force of 1600 N. A large object with a mass of 165 kg is gently lowered onto the center of the table top, then released there. What most likely will happen next? a. The table top will crack but still hold the object. b. The table top will break and the object will fall to the floor. c. The object will bounce off the table. d. The object will rest on the table top, which remains in tact. 3. A rock at rest has weight 138 N. What is the weight of the rock when it is accelerating upward at 12 m/s2? a. 115 N b. 63 N c. 304 N d. 138 N 4. A chair of mass 30.0 kg is at rest on a horizontal floor. The floor is not frictionless. You push on the chair with a force of 80.0 N directed at an angle of 35.0° to the floor. What is the normal force that the floor exerts on the chair? a. 363 N b. 340 N c. 294 N d. 317 N 5. Two particles are separated by a distance d. At this distance, the strong interaction between them is much greater than the electrical interaction. What are the possible values of d? a. extremely large values, such as the distances between the planets and sun b. extremely small values, such as the distances between particles in an atomic nucleus c. values between 1 mm and 1 m d. values between 1 m and 1 km 6. A soccer player kicks a ball. Why does the action force exerted by the player's foot cause a different motion than the reaction force? a. The action force and the reaction force act on different objects. b. The action force is greater than the reaction force. c. The reaction force is greater than the action force. d. The action force and the reaction force act in opposite directions. 7. A box of weight 320 N is being pulled to the right by a pulling force F-> of magnitude 44 N. The coefficient of static friction between the box and the floor is 0.15. To make an accurate free-body diagram of the box, the letter f in the diagram above should be replaced with the label _____. a. 4.0 N b. 48 N c. 44 N d. 280 N 8. I have the answer 9. A man pulls a wagon with a handle that is at an angle of 42° with the ground. If the man pulls with 330 N of force, how much force pulls the wagon forward? a. 110 N b. 220 N c. 245 N d. 330 N 10. In this free-body diagram, the weight (W) and normal force (n) have equal magnitudes. The magnitudes of any forward or backward forces, however, are not determined. The free-body diagram will not apply to which of these objects or persons? a. a box sliding across a table at constant speed b. an automobile accelerating on a flat highway c. a box at rest on a table d. a woman jumping off the floor 11. A force of 1 N will cause a mass of 1 kg to have an acceleration of 1 m/s2. Therefore, a force of 8 N applied to a mass of 1 kg will cause it to accelerate at what rate? a. 8 m/s2 b. 0.13 m/s2 c. 1 m/s2 d. 9 m/s2 e. 64 m/s2

QUESTION POSTED AT 02/06/2020 - 01:27 AM

### What kind of electronic component is an LED (light emitting diode)?

QUESTION POSTED AT 02/06/2020 - 01:22 AM

### If a person looking at a poster sees green instead of yellow and doesn't see red at all, this person most likely has color blindness where _______ nerves fail to respond to light properly. A. yellow-sensitive B. blue-sensitive C. red-sensitive D. green-sensitive

QUESTION POSTED AT 01/06/2020 - 03:16 PM

### Which best explains why one laser beam might appear blue and another laser beam might appear red? The energy in laser beams is concentrated. The energy in laser beams is scattered. Each laser beam is made up of all visible wavelengths of light. Each laser beam is made up of one specific wavelength of light.

QUESTION POSTED AT 01/06/2020 - 03:13 PM

### What is the significance of the photoelectric effect? A. it found that you could form a typical diffraction pattern with either high or low intensity light B. it gave evidence for the particle nature of light C. the wave nature of light is a probability statement of where photons are going to be D. it gave evidence that light could be either a wave or a particle

QUESTION POSTED AT 01/06/2020 - 02:48 PM

### Which describes the changes in visible light moving from red to violet?

QUESTION POSTED AT 01/06/2020 - 02:04 PM

### The absorbing of the sun's heat by concrete and asphalt can have which of the following effects on an urban area? Higher temperatures than surrounding areas Unpredictable weather patterns Increased levels of acid rain Rapid deterioration of buildings

QUESTION POSTED AT 29/05/2020 - 05:08 PM

### Kepler's harmonic law states that the distance of a planet from the Sun corresponds to the period of time it takes the planet to orbit the Sun. The formula looks like this: . Which statement best describes this formula summarizing Kepler's harmonic law? A. The square of the orbital period of a planet around the sun is proportional to the cube of the planet's orbital radius. B. The square of the orbital radius of a planet to the sun is proportional to the cube of the planet's orbital period. C. The cube of the planet's orbital radius equals the orbital period of a planet around the sun. D. The orbital period to the second power of a planet around the sun is proportional to the planet's orbital radius to the fourth power.

QUESTION POSTED AT 29/05/2020 - 05:08 PM

### Which scientist was the first to accurately measure the speed of light? Galileo Albert Michelson Fizeau Olaus Roemer

QUESTION POSTED AT 29/05/2020 - 03:41 PM

### The lava lamp has a light bulb as a heat source at its base. The lamp contains a colored, waxy fluid that can be observed moving in clumps through a clear liquid. Which indicates that the clump of waxy fluid at the center of the lamp is moving downward rather than upward? It is less dense than the surrounding liquid. Its molecules are losing kinetic energy. Its molecules begin to slow down before they become faster. Its temperature increases before it decreases again.

QUESTION POSTED AT 29/05/2020 - 02:40 PM

### Karina strikes a match to light a candle. Explain what type of reaction the burning match represents in terms of energy

QUESTION POSTED AT 29/05/2020 - 02:30 PM

### Karina strikes a match to light a candle. Explain what type of reaction the burning match represents in terms of energy

QUESTION POSTED AT 29/05/2020 - 02:30 PM

### Albert is on earth and measures the speed of light from the sun as 3 e8 m/s. he then gets in a space ship and speeds toward the sun at 1 x e8 m/s. he will then measure the speed of light as

QUESTION POSTED AT 29/05/2020 - 02:19 PM

### Eq-46 in restricted visibility, a power-driven vessel under way gives which sound signal every 2 minutes?

QUESTION POSTED AT 29/05/2020 - 01:19 PM

### Light demonstrates the characteristics of A. particles only B. waves only C. both particles and waves D. neither particles nor waves

QUESTION POSTED AT 29/05/2020 - 01:05 PM

### The earth moves around the sun in a nearly circular orbit of ra-dius 1.50 3 1011 m. during the three summer months (an elapsed time of 7.89 3 106 s), the earth moves one-fourth of the distance around the sun. (a) what is the average speed of the earth? (b) what is the magnitude of the average velocity of the earth during this period?

QUESTION POSTED AT 29/05/2020 - 12:08 PM

### If the clothing of the saint was the only light area in the funeral of st. bonaventure, the viewers eye would not be easily drawn to any other areas of the composition.

QUESTION POSTED AT 29/05/2020 - 12:06 PM

### What is the angle between the first-order and second-order bright fringes for a yellow light with a wavelength of 605 nm, and a distance between two slits of 0.0550 mm?

QUESTION POSTED AT 29/05/2020 - 11:43 AM

### All vehicles, including animal-drawn vehicles, must have at least one white light visible from a distance of not less than __________ feet to the front.

QUESTION POSTED AT 29/05/2020 - 11:17 AM

### Researchers condition a flatworm to contract when exposed to light by repeatedly pairing the light with electric shock. the electric shock is a(n)

QUESTION POSTED AT 29/05/2020 - 11:07 AM

### In the current model of the atom, electrons and protons are mixed together in a solid sphere electrons travel as waves in the electron cloud that surrounds the nucleus electrons orbit around the nucleus like planets orbit the sun electrons and neutrons are located in the nucleus

QUESTION POSTED AT 29/05/2020 - 10:32 AM

### A solar cooker, really a concave mirror pointed at the sun, focuses the sun's rays 16.0 cm in front of the mirror. what is the radius of the spherical surface from which the mirror was made?

QUESTION POSTED AT 29/05/2020 - 10:07 AM

### The index of __________ for a substance is a ratio of the speed of light in a vacuum to the speed of light in the substance.

QUESTION POSTED AT 29/05/2020 - 10:00 AM

### Which of the following cannot vary? a)The speed of light is relative to the observer's frame of reference b)Speed of light in a vacuum c)The frequency of light d)The wavelength of light

QUESTION POSTED AT 29/05/2020 - 08:49 AM

### Which of these is an example of a mechanical wave? sunlight light from a flashlight microwaves used to heat food police siren

QUESTION POSTED AT 29/05/2020 - 08:37 AM

### Consider a situation where immediately after birth, twins are separated. One continues to live on earth, while the other is whisked away in a space ship at 90% of the speed of light. After 65 years they are reunited. Will they look the same? Show proof of your answer through mathematics.

QUESTION POSTED AT 29/05/2020 - 08:13 AM

### How does the Sun release nuclear energy? through the fusion of a uranium nucleus into smaller nuclei through the fusion of hydrogen nuclei into a heavier nucleus through the fission of a uranium nucleus into smaller nuclei through the fission of hydrogen nuclei into a heavier nucleus

QUESTION POSTED AT 29/05/2020 - 02:10 AM

### Which three statements about electromagnetic radiation are true? Light is a kind of electromagnetic radiation. Electromagnetic radiation can travel only short distances. Electromagnetic radiation has no mass. Electromagnetic radiation can travel through a vacuum. All kinds of electromagnetic radiation are invisible. NextReset

QUESTION POSTED AT 29/05/2020 - 01:58 AM

### Which statement best explains a difference between the interaction of light with clear glass and the interaction of light with silver metal? Light slows down when it interacts with glass but not when it interacts with metal. Light slows down when it interacts with metal but not when it interacts with glass. Most of the light passes through glass but none of the light passes through metal. Most of the light is absorbed by glass but none of the light is absorbed by metal.

QUESTION POSTED AT 29/05/2020 - 01:56 AM

### The photosystem channels the excitation energy gathered by absorption of light by any one of the pigment molecules to a specific reaction center chlorophyll, which in turn passes the energy to:

QUESTION POSTED AT 29/05/2020 - 12:41 AM