Why is it called km per hour? In 1879, four years after the signing of the Treaty of the Metre, the CIPM proposed a range of symbols for the various metric units then under the auspices of the CGPM. Among these were the use of the symbol “km” for “kilometre”. What country has no speed […]
What are fundamental units give example?
What are fundamental units give example? For example, in the SI system the fundamental units are the metre, kilogram, and second. ‘SI (Système Internationale d’ Unites) uses seven different fundamental units, the meter, kilogram, second, ampere, kelvin, candela, and mole. ‘ What is Watt formula? The formula for calculating wattage is: W (joules per second) […]
Which of the following statement is correct about the magnetic field lines?
Which of the following statement is correct about the magnetic field lines? Magnetic field lines are continuous curves. It originate from north pole and terminate on south pole. But inside the magnet it moves from south pole to north pole forming a closed loop. So, there is no any origination or termination point like electric […]
What is the horizontal velocity of a projectile?
What is the horizontal velocity of a projectile? The horizontal velocity of a projectile is constant (a never changing in value), There is a vertical acceleration caused by gravity; its value is 9.8 m/s/s, down, The vertical velocity of a projectile changes by 9.8 m/s each second, The horizontal motion of a projectile is independent […]
How fast are laser beams in mph?
Is Phosphorus is a very reactive nonmetal?
Is Phosphorus is a very reactive nonmetal? (a) Phosphorus is a very reactive non-metal. What is the most ductile metal? platinum Can Potassium be ductile? Potassium is classified as an “Alkali Metal” and located in Group 1 elements of the Periodic Table. Alkali metals are soft, malleable, ductile, and are good conductors of heat and […]
Does reading increase IQ?
Does reading increase IQ? By adding to that storehouse, reading increases your crystallised intelligence. That explains why some IQ tests include vocabulary words, which generally serve as a reliable proxy of how clever you are. “Fluid intelligence” is that ability to solve problems, understand things and detect meaningful patterns. Is reading a sign of intelligence? […]
How do you find your missing height?
How do you write 78000 in scientific notation?
How do you write 78000 in scientific notation? To write 78,000 in scientific notation: 70, 000 = 7×10. 7.8×104 (Note that 78,000 is a whole number, so we dropped the zeros) How do you write 0.002 in scientific notation? Therefore, the decimal number 0.002 written in scientific notation is 2 × 10-3 and it has […]
How old is the oldest living thing on earth?
How old is the oldest living thing on earth? 5,000 years old What animal on earth lives the longest? Ming, a quahog clam, died at the age of 507 when researchers tried to dredge the bivalve up from Icelandic waters. The quahog’s life-span is usually about 225 years. (Also see “405-Year-Old Clam Called Longest-Lived Animal.”) […]