A 12 kg box is pushed to the left by a 48 N force.
Find its acceleration.

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| Specific Heat Capacity |

"What Is It and What Are Some Differences Between High and Low Specific Heat Capacity?"

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Hello! Today, let's begin with discussing what specific heat capacity is.

"What is Specific Heat Capacity?"

It is the amount of heat per unit required to increase the temperature by 1°C. Most of the time, specific heat is used for determining the processing temperatures as well as amount of heat that is necessary for processing. It is helpful in differentiating between that of two polymeric composites.

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"What is High and Low Specific Heat Capacity?"

Now, this specific situation is asking a question regarding the differences between high and low specific heat capacity. When the specific heat capacity is high, this means that it takes more energy to either increase or decrease its temperature. Take water for instance; water has a high specific heat, meaning it will take more energy to increase the temperature of the liquid compared to other substances. That's why when you are boiling water in a pot, the water needs time to absorb heat before it begins to boil at the increase in temperature.On the other hand, when the specific heat capacity is low, this means that it doesn't take as much energy to increase or lower as high SHC does. For example, any metals such as iron have low specific heat. It doesn't take long for the substance's energy to increase the temperature. The same thing occurs when you place a spoon in a cup of hot coffee. It is said that even other substances like sand have relatively low specific heat.

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Hopefully this sort of helps you have a better understanding of what specific heat is, as well as the differences between that of high and low specific heat capacity. Also, if this is a write your answer response, it is better to dive further into your studies and notes regarding this topic so you can properly answer the question and follow the guidelines. Anyways, I wish you the best of luck on your assignment. Thanks for reading!

The magnetic field in the solenoid due to current 1.2A  is 54.807 x 10⁻⁵ A/m

The No. of Loops in the solenoid, N = 200

Length of the solenoid, l = 55 cm

The current passing through the solenoid, I = 1.2 A

The magnetic field passing through the solenoid can be calculated using the Ampere's law which is

                      B = μ₀nI

where B is the magnetic field

          μ₀ is the permeability of free space

          n is the no. of turns per meter

          I is the current passing through the solenoid

Thus , we can re-write this formula a

                 

                    [tex]B = \frac{\mu_0 N I}{l}[/tex]

               

Let us substitute the know values in the above equation , we get

           

                  B = (4 x 3.14 x 10⁻⁷ x 200 x 1.2 ) / (55 x 10⁻²)

    where μ₀ = 4π x 10⁻⁷

                 B = 3014.4 x 10⁻⁷ / 55 x 10⁻²

                 B = 54.807 x 10⁻⁷ x 10²

         

                 B = 54.807 x 10⁻⁵ A/m

Therefore , the magnetic field passing through the given solenoid is

54.807 x 10⁻⁵ A/m

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The speed of the baseball after this elastic collision is 35.825 m/s

What is an elastic collision?

In an elastic collision is one in which no net loss of kinetic energy in the system is observed after collision. Elastic collisions conserve, momentum and kinetic energy. It works on the basis of the law of conservation of momentum. This may be explained by following equation:

Pₙ = P₁ + P₂

mₙvₙ = m₁v₁ + m₂v₂

Where, Pₙ = final momentum

mₙ = total mass of the system

vₙ = final velocity of the system

For the given question:

(m₁ + m₂)vₙ = m₁v₁ + m₂v₂

(0.145 + 0.95)vₙ = (0.145 × 40) + (0.95 × 35)

1.09 vₙ = 5.8 + 33.25

1.09 vₙ = 39.05

vₙ = [tex]\frac{39.05}{1.09}[/tex]

vₙ = 35.825 m/s

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Mechanical robots had first appeared in Milan, Italy, and then in other cities.

Robots are machines, especially those that can be programmed by computers, that are capable of performing intricate sequences of tasks automatically. A robot can be directed by an internal control system or an external control device. Although some robots are built to resemble humans, most robots are task-performing machines that place a greater focus on bare utility than on expressive aesthetics.Robotics is the area of technology that deals with the development, manufacturing, use, and use of robots as well as the computer systems that control, sense, and process information for them. These technologies deal with automated devices that can replace people in hazardous settings or production processes or that are similar to people in terms of appearance, conduct, or cognition. The field of bio-inspired robotics has benefited from the inspiration of nature found in many of today's robots. Soft robotics, a more recent field of robotics, was also developed by these robots.

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Answer: 20.16kg.m\s

Explanation: Here is given that M= 7.2 Kg,  and           v= 2.8 m/s So, momentum ,P=M. v = (7.2*2.8) = 20.16 Kg. m/s, which is a number having four significant digits. but we have to provide the answer in two significant digits. Therefore, to convert