a person pushes a 10 kg box from rest and accelerates it to a speed of 2.3 m/s with a constant force. if the box is pushed for a time of 4.8 s, what is the force exerted by the person?

Answers

Answer 1

The average force exerted by the person is 4.8 N (23 N / 4.8 s).

What is force?

Force is an interaction between two or more objects that can cause a change in the motion, shape, or energy of one or both of the objects. Force can be classified into two categories: contact forces and non-contact forces. Examples of contact forces include friction, tension, and normal force. Examples of non-contact forces include gravity, magnetism, and electrostatic forces. Force is measured using the SI unit called the newton (N).

The force exerted by the person is equal to the mass of the box multiplied by the acceleration. Since the mass of the box is 10 kg and the acceleration is 2.3 m/s, the force exerted by the person is 23 N (10 kg × 2.3 m/s). This force was applied over a time of 4.8 s, so the average force exerted by the person is 4.8 N (23 N / 4.8 s).

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Related Questions

given that a 300-k blackbody radiates its peak energy at a wavelength of about 10 mm, at what wavelength would a 600-k blackbody radiate its peak energy? b. if the two bodies in part (a) were the same size, what would be the ratio of the heat emitted by the hotter object to the heat emitted by the colder one

Answers

The highest energy of a 600 k absorption coefficient would be radiated at 5 micrometer wavelength.

A blackbody explain is what?

A theoretical concept known as a black body, also spelled as blackbody, describes an item that completely absorbs all electromagnetic waves that strikes it, along with all light wavelengths. No light is returned in return.

Does Earth have a blackbody?

We will treat the planets and stars, including the sun and the earth, as blackbodies even if they don't actually exist. Although they are not by definition ideal blackbodies, we can nonetheless refer to them as blackbodies for the purposes of comprehension and simplicity.

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Sam tried tying toys to his toy parachute. He discovered that differences in size, shape, and material affected

A: Friction
B: Motion
C: Direction
D: Drag

Answers

Sam tried tying toys to his toy parachute. He discovered that differences in size, shape, and material affected Drag , option D.

How does Drag affect gravity?

Changes in acceleration are caused by resistance and friction. The heavier piece was slowed down by air resistance also known as drag. Drag is the force that opposes the motion of an object through a fluid.

The parachute works by creating drag, slowing the descent of the objects attached to it. The size, shape, and material of the toys that Sam tied to the parachute would affect the amount of drag created, which in turn would affect the motion of the toys as they descended.

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An object is 1.0 cm tall and its erect image is 3.0 cm tall. What is the exact magnification?

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An object is 1.0 cm tall and its erect image is 3.0 cm tall, the exact magnification is 3.

What is magnification?

Magnification measures how much the image is enlarged compared to the actual object. Magnification measures how many distinct structures can be seen in an image. Calculating magnification is as simple as dividing the eyepiece's magnification by the objective lens's.

By dividing the image height, it is possible to calculate the precise magnification of the objects. We determine it by dividing the size of the erect image by the size of the object. By dividing 3.0 cm by 1.0 cm from the above information, we can determine the precise magnification. So, the response would be 3.

exact magnification = image height/object's height

exact magnification = 3/1

exact magnification = 3.

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(q020) the conventional system of signs that indicate relative durations of long and short sounds is called

Answers

The term "musical notation" refers to the widespread symbology used to indicate how far apart long and short sounds should be from one another.

What is fundamental musical notation?

a collection of visual instructions for performing music, a visual representation of a heard or imagined musical sound, or musical notation. It usually takes the form of writing or printing and is a deliberate, comparatively time-consuming activity. One of two purposes—as a memory aid or for communication—causes its use.

What are the twelve notes in music?

Typically, Western music employs 12 notes: C, D, E, F, G, A, B, plus five flats and comparable sharps in between: C sharp/D flat (they are the same note, simply referred to differently depending on the context).

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a small vibrating object s moves across the surface of a ripple tank producing the wave fronts shown above. the wave fronts move with speed v. the object is traveling in what direction and with what speed relative to the speed of the wave fronts produced?

Answers

The wave fronts seen above are the result of a small vibrating moving object across a ripple tank's surface. The surface waves move quickly in contrast to the Doppler effect. The item is travelling right, which has compressed the waves at the right.

What is the Doppler effect in plain English?

Doppler Effect is the term used to describe the shift in wave frequency caused by the relative motion of an incident wave and its observer.

What makes the Doppler effect effective?

One of the most typical examples is the sound of an ambulance or fire engine's siren. You may have observed that the pitch of a siren decreases sharply as it passes you at a high rate of speed. The siren initially approaches you while the pitch is louder.

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the inner planets of the solar system are rocky whereas the outer planets contain a higher proportion of ice and gas. this differentiation occurred in the early solar system because:

Answers

The differentiation, that the inner planets of the solar system are rocky while the outer planets contain a higher proportion of ice and gas, occurred in the early solar system due to the temperature gradient in the protoplanetary disk.

This occurs because in the inner regions of the disk, temperatures were too high for volatile elements such as hydrogen and helium to condense, while in the outer regions, temperatures were low enough for these elements to condense, forming the gas and ice giants.

In addition, due to the increased gravity in the inner regions of the disk, heavier elements, such as metals and rocks, were able to accumulate more easily, leading to the formation of the terrestrial planets.

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