three day return law

Chris borrowed a book from a library. The library charges $3 for the first day and $4 per day from the second day onwards. Chris took more than 2 days to return the book and he paid $35 while returning the book. How many day..

. Second law of thermodynamics states that processes of energy transformation will not occur spontaneously unless there is degradation of energy from a non - random to a random form. Energy transformations, which occur within the ecosystem are considered in ecological energetics. The quan..

Gas Laws - Boyle's Law - The volume of a given mass of a dry gas is inversely proportional to its pressure, temperature remaining constant. Robert Boyle (1627 - 1691) discovered this law in 1662 and it was named after him. It can be restated as "The product of the volu..

Matt took a videocassette on rent from a video store. The store charges $3 for the first day, and an additional charge of $2 per day from the second day onwards. Matt paid $9 while returning the cassette. Solve the equation 3 + 2 n = 9 to ..

(x')' =..

Moseley had done experiments on the characteristic X-rays and this led to the development of the concept of atomic number. The periodic table was made according to the atomic weight in earlier days. But some anomalies were found in such an arrangement. Moseley measured the frequencies of ..

The relationship between the volume of a gas to the number of molecules at constant temperature and pressure is known as Avogadro's law. It states that equal volumes of all gases under similar conditions of temperature and pressure contain equal number of molecules. 22.4 litres of a..

The relationship between the volume of a gas to the number of molecules at constant temperature and pressure is known as Avogadro's law. It states that equal volumes of all gases under similar conditions of temperature and pressure contain equal number of molecules. 22.4 litres of any ga..

. Thermal equilibrium now demands that E = a I ....................... (2) Where E is the radiant energy per unit time per unit area emitted by the (non-black) body. It follows from Eq.(1) that ....................... (3) But in terms of emissivity e already defined ........................

This law was proposed by Louis Proust in 1799, which states that: 'A chemical compound always consists of the same elements combined together in the same ratio, irrespective of the method of preparation or the source from where it is taken'. For example, water is always found to contain ..