What does spring scale weigh? A spring scale, sometimes called a spring balance, is a device used to measure the weight of an object. It hangs from above and consists of a spring with a hook at the bottom where you can attach an object. Notice that we said a spring scale measures the weight […]
How many numbers can be formed with 5 digits?
How many numbers can be formed with 5 digits? There are 90,000 five-digit numbers in all. The digit at the ten thousand place in a 5-digit number can never be 0. How many 5 digit numbers can be formed by using the digits 1,2 3 so that each digit appears at least once? + 5!/(3!)) […]
How long does it take to become a nuclear physicist?
How long does it take to become a nuclear physicist? These programs typically require four years of full-time study. Classes in nuclear engineering and technology programs usually cover topics such as nuclear radiation measurement, physics, differential equations, radiation biophysics and materials for nuclear adaptations. How much education does a nuclear engineer need? Nuclear engineers must […]
What are both plant and animal cells?
What are both plant and animal cells? Both plant and animal cells are eukaryotic, so they contain membrane-bound organelles like the nucleus and mitochondria. The nucleus of eukaryotic cells is similar to the brain of the cell. It contains the genetic information (DNA) and directs the cell how to function. What are the similarities and […]
What were prices in 1934?
What were prices in 1934? Cost of Living 1934 Average Cost of new house $5,970.00. Average wages per year $1,600.00. Average Monthly Rent $20.00 per month. Cost of a gallon of Gas 10 cents. A loaf of Bread 8 cents. A LB of Hamburger Meat 12 cents. Studebaker Truck $625.00. Arrow Men’s Shirt $2.50. What […]
What is the net ionic equation for hydrofluoric acid and potassium hydroxide?
What is the net ionic equation for hydrofluoric acid and potassium hydroxide? Neutralization: Weak Acid-Strong Base HF (aq) + KOH (aq) → KF (aq) + H2O (l) ◆ Rxn goes to completion due to SB Write ionic and net rxns: HF(aq) + K+(aq) + OH-(aq) → K+(aq) + F-(aq) + H2O(l) Net: HF(aq) + OH-(aq) […]
Why is evaporation considered a cooling process?
Why is evaporation considered a cooling process? Evaporation is called a “cooling process” because it removes heat from the surrounding air. Evaporation in the atmosphere is a crucial step in the water cycle. Water on Earth’s surface will evaporate into the atmosphere as energy is absorbed by liquid water. Why is evaporation a cooling process […]
How can a protein determine differences between organisms of the same species?
How can a protein determine differences between organisms of the same species? The sequence of amino acids in a protein is determined by DNA. In a protein that is present in all species, the amino acid sequence will be different. More similarities, or fewer differences, indicate that two species are closely related. Do you think […]
What are the types of fire extinguishers and their uses?
What are the types of fire extinguishers and their uses? The eight different types of fire extinguishers include specialist dry powder, standard dry powder, foam, water spray, water mist, water spray, wet chemical and carbon dioxide. There is no single fire extinguisher that can be used on all classes of fire. What are the 3 […]
What are the possible dimension of 18 square feet?
What are the possible dimension of 18 square feet? 1 Expert Answer The dimensions are (3, 6); width 3 and length 6. How many sq ft is a feet? Here’s a basic formula you can follow: Length (in feet) x width (in feet) = area in sq. ft. Tip: If you can’t picture what a […]