Geography High School

What is the momentum of a 100 kg football player running at a velocity of 4 m/s?
a) 400 kg·m/s
b) 200 kg·m/s
c) 40 kg·m/s
d) 800 kg·m/s

Answers

Answer 1

Momentum can be defined as the product of mass and velocity. It is a vector quantity and is measured in kilogram-metres per second (kg m/s). It is denoted by the letter ‘p.

'Formula to calculate momentum is given as;p = mvwherep is momentumm is massv is velocityAccording to the problem,The mass of the football player, m = 100 kgVelocity of the football player, v = 4 m/sTo find the momentum of the football player, we need to substitute the given values into the formula of momentum;p = mv= 100 kg x 4 m/sp = 400 kg m/sTherefore, the momentum of a 100 kg football player running at a velocity of 4 m/s is 400 kg·m/s, which is option A.

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Related Questions

an entire set of individuals or objects having some common characteristics is:

Answers

A group refers to an entire set of individuals or objects having some common characteristics, traits, or features that distinguish them from others.

Examples of groups include social groups such as a family or peer group, cultural groups such as ethnic or national groups, and other types of groups such as occupational, academic, or interest groups .Groups can form for a variety of reasons, including a shared purpose or goal, a common interest or hobby, a cultural or ethnic identity, or simply a desire for social interaction or companionship.

Group membership can have a significant impact on individual behavior and attitudes, as individuals may be influenced by the norms and expectations of the group. Group dynamics can also impact the functioning of the group as a whole, with factors such as leadership, communication, and conflict resolution playing important roles.  

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The combination of processes which result in the process of mountain building is called _______________ (deformation/isostatsy/orogeny).
2. ____________ (Underthrusting/isostacy/erosion) refers to a state of gravitational equilibrium between the lithosphere and asthenosphere.

Answers

The combination of processes which result in the process of mountain building is called orogeny. Isostacy refers to a state of gravitational equilibrium between the lithosphere and asthenosphere.

Orogeny is the process of mountain building. It is defined as a long-lasting process that occurs when continents collide and build up gigantic mountain ranges. When two tectonic plates converge, one plate is forced beneath the other into the Earth's mantle. Orogeny can be classified into two categories: oceanic and continental.

Isostasy is a condition of gravitational balance between the Earth's lithosphere and asthenosphere. The lithosphere is the Earth's rigid outermost shell, while the asthenosphere is a semisolid, highly viscous layer below the lithosphere.

The earth's crust floats in equilibrium on the asthenosphere due to isostasy. The asthenosphere exerts an upward force on the Earth's lithosphere, whereas the weight of the lithosphere exerts a downward force.

Therefore, the lithosphere floats on the asthenosphere as long as gravitational equilibrium is maintained.

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The combination of processes which result in the process of mountain building is called orogeny. Orogeny is defined as the process of mountain-building by tectonic activity which results from the collision of two or more tectonic plates. The movement of plates can cause the crust to fold and fault, forming mountains. Two examples of mountain ranges formed by orogeny are the Himalayas and the Rockies.

Isostasy refers to a state of gravitational equilibrium between the lithosphere and asthenosphere. Isostasy is the concept that the earth's crust and mantle are balanced on the underlying asthenosphere. The lithosphere is the rigid outer layer of the earth which includes the crust and upper mantle. The asthenosphere is the ductile, partially molten layer beneath the lithosphere.

The theory of isostasy describes the way in which the lithosphere floats on the asthenosphere. This concept is based on the idea that the lithosphere behaves like a rigid block that floats on the denser asthenosphere, similar to the way in which icebergs float on water. The isostatic equilibrium of the lithosphere is maintained by the upwelling of hot mantle material and the downward flow of cool lithospheric material.

In summary, orogeny refers to the combination of processes which result in the process of mountain building, while isostasy refers to a state of gravitational equilibrium between the lithosphere and asthenosphere.

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In "Surviving Progress" - The film points to how the First World capitalist economy is served by, for instance, mining in Africa and deforestation in Brazil to provide raw materials to multinational corporations. How does this create inequality between countries and citizens?

Answers

The documentary Surviving Progress portrays how the First World capitalist economy is served by the use of natural resources from developing countries, causing inequalities between countries and their citizens. The film points to how the mining activities in Africa and deforestation in Brazil.

These are meant to provide raw materials to multinational corporations located in developed nations. In the process, the people in the countries where these resources are being extracted face the adverse effects of the activities, while the people in the developed countries enjoy the products that are made from these raw materials, creating inequality between countries and their citizens.

The film demonstrates how the extraction of raw materials for the production of goods and services creates significant environmental, social, and economic implications that increase the gap between the wealthy and the poor in different nations.

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Among the weapons and technology employed by both sides during the Russo-Japanese War were magazine rifles, machine guns, huge siege guns, and O a. Barbed wire O b. Poisoned gas O c. Heavy bombers

Answers

Among the weapons and technology employed by both sides during the Russo-Japanese War were magazine rifles, machine guns, huge siege guns, and barbed wire.

The Russo-Japanese War was fought between the Russian Empire and the Empire of Japan over rival imperial ambitions in Manchuria and Korea. The war was fought from 8 February 1904 to 5 September 1905.Magazine rifles were an important weapon used during the Russo-Japanese War. They were preferred by soldiers because they were more reliable and easier to reload than single-shot weapons.

Magazine rifles included the Russian Mosin-Nagant and the Japanese Arisaka, which were both used extensively in the war. Machine guns were also used in the Russo-Japanese War. They were heavy weapons that were designed to fire multiple rounds per minute and were used to mow down enemy soldiers. Siege guns were used to destroy enemy fortifications and were a crucial part of the war effort. They were capable of firing shells up to 12 miles and were used by both sides in the war.

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