What are the four principles of sound? Since sound is a wave, it has all of the properties attributed to any wave, and these attributes are the four elements that define any and all sounds. They are the frequency, amplitude, wave form and duration, or in musical terms, pitch, dynamic, timbre (tone color), and duration. […]
What is the output of a flashlight?
What is the output of a flashlight? The light output of an incandescent lamp in a flashlight varies widely depending on the type of lamp. A miniature keychain lamp produces one or two lumens. A two D-cell flashlight using a common prefocus-style miniature lamp will produce on the order of 15 to 20 lumens of […]
What are the three means of exchange?
What are the three means of exchange? It consists of : 1) currency (coins, paper money), 2) checkable deposits, ( total of checking account balances in financial institutions convertible to currency “on demand” by writing a check without advance notice), and 3) traveler’s checks. This type of money is the most liquid. Which of the […]
How do you solve word problems?
How do you solve word problems? A proven step-by-step method for solving word problems is actually quite simple. Read the problem out loud to yourself. Draw a Picture. Think “What do I need to find?” List what is given. Find the key words. Solve. Check your work. Is there a Photomath for word problems? Photomath […]
What type of bond would form between CL and C?
What type of bond would form between CL and C? Each atom in HCl requires one more electron to form an inert gas electron configuration. Chlorine has a higher electronegativity than hydrogen, but the chlorine atom’s attraction for electrons is not sufficient to remove an electron from hydrogen….Polar Covalent Bonds. Structural Unit1 Bond Moments (D) […]
Is heat added or removed in condensation?
Is heat added or removed in condensation? A substance condenses when the pressure exerted by its vapour exceeds the vapour pressure of the liquid or solid phase of the substance at the temperature of the surface where condensation occurs. Heat is released when a vapour condenses. What happens when a solid is heated Class 9? […]
How do you prove two vectors are perpendicular?
How many watts is a 1HP motor?
Can steel be separated by physical means?
Can steel be separated by physical means? Can it be separated by physical means? If the answer is no, the matter is a pure substance. What is the elements that Cannot be separated? An element cannot be separated into simpler substances by physical or chemical means. The periodic table organizes elements by their properties. Aggregates […]
Which part of the earth is land?
Which part of the earth is land? Earth is the third planet from the Sun and the only astronomical object known to harbor life. About 29.2% of Earth’s surface is land consisting of continents and islands….Earth. Designations Surface area 510067420 km2 (196938130 sq mi) 148940000 km2 land (57510000 sq mi) 361132000 km2 water (139434000 sq […]