1. The figure below shows two boats, of which one is sunk and the other is afloat. If we consider the floating boat as boat 1 and the sunken boat as boat 2, then we can see that boat 1 has air within it and water around it, whereas boat 2 has water around it as well as inside it…
Thus as boat 1 is displacing more volume of water than boat 2, it has a higher buoyancy force subjected upon it. Clearly, this is evident from the fact that boat 1 is afloat whereas boat two is sunken. 2. The volume of the given ice cube of 10cm dimensions is 1000cm3. It is given that when the ice cube is floating in pure water, 1cm of it is sticking up above the surface of the water. This shows that the weight of the water displaced by the 9cm thick portion of water is equivalent to the weight of the ice cube. The 9cm thick portion has a volume of 9cm*10cm*10cm i.e. 900cm3. The weight of 900cm3 of pure water is equivalent to 1000cm3 of ice. If we suppose the density of liquid water to be 1g/cm3, then we have 900g of liquid water equivalent to 1000cm3 of ice. This gives us a density of ice as 0.9g/cm3, which is approximately equal to the real value of density of ice (~0.91g/cm3). When the excess 1cm thick part is cut off, the remaining portion of ice has a volume of 900cm3. The weight of 900cm3 of ice is 0.9g/cm3*900cm3 i.e. 810g. Now, for liquid water, the volume of water that needs to be displaced to have the same weight as that of the ice is 810cm3 (810cm3*1g/cm3 = 810g). This means that only 810cm3 of the total 900cm3 of the remaining ice will get immersed in water. The rest 90cm3 volume will remain above the water level. ...
Cite this document
(“Physics homework Math Problem Example | Topics and Well Written Essays - 500 words”, n.d.)
Retrieved from https://studentshare.net/other/23201-physics-homework
(Physics Homework Math Problem Example | Topics and Well Written Essays - 500 Words)
“Physics Homework Math Problem Example | Topics and Well Written Essays - 500 Words”, n.d. https://studentshare.net/other/23201-physics-homework.
1. Estimate the amount of heat wasted on each mile from a typical car (30 MPG) Heat from any automobile is produced by burning of oxygen. The gas that is produced is carbon dioxide that is usually a product of combustion. Although there are other by-products of combustion, the main by-product is carbon dioxide (CO2).
Population Trends in China
China has been documented as the world’s most populous country, with a population of about 1.3 billion, which is about a fifth of the world’s population. The rapid growth in population has become a concern to the government, such that it has introduced various measures to curb the rate of growth.
2. When jumping from a tree to the ground, the person moves at constant acceleration hence constant force. On hitting the ground, the person experiences an opposing force from the ground causing the body to lose momentum within a short time interval, hence need for more force leading to pain.
The first roller coaster to use a power-chain lift in the United States was Gravity Pleasure at Coney Island in New York. La Marcus Adna Thompson built it in 1884. It was also a wooden roller coaster. The world’s oldest operating wooden roller coaster is the Leap-The-Dips at Lakemont Park in Pennsylvania.
Physics1. The universe is so large and enormous that it cannot be explained in words nor can be imagined by any one. Our earth which feels and seems to us very large is in actual equivalent to a small dust particle in comparison to the enormous universe. Universe consists of a number of different elements.
The questions apply the accurate descriptions of the motion under various motions of situations. The work also introduces a lot of results and notions that are equally applicable in things that oscillate and vibrate in similar manner. For instance, the current analysis in fundamental circuit is analogous to analysis involving the spring’s mass.
Geometric sequence has been known in human history from the very ancient times. One of the first researchers to analyse geometric progressions and some of its properties was Euclid (Elements, books VIII and IX). A sequence is called geometric if every of its terms starting from the second can be found as product of the previous term and a number, different from 0 and same for the whole sequence, called common ratio.
If we read the history of Pythagoras we would come to know his influence upon other philosophers like Plato's whole theory is very much affected by his thinking about geometry. He develops it in books VI and VII of the Republic, and says that "what we are talking about in geometry and mathematics, which are generally abstract entities of timeless, spaceless, and impersonal theologies.
Walter Brattain, Gerald Pearson who was a physicist, Robert Gibney who was a chemist and Hilbert Moore who was an expert in electronics among others were also members of the group. Their aim was to find a state solid alternative to amplifiers that were made of fragile