Category: Physics

Is Sparkling Ice really 0 calories? Sparkling ICE is a zero calorie beverage sweetened with sucralose and made with natural flavors, vitamins, antioxidants and lightly carbonated spring water. How many calories is ice drink? Why is Sparkling Ice® now 5 calories? Beginning January 1, 2020, the U.S. Food & Drug Administration’s new Nutrition Facts Panel […]

Is work done and kinetic energy Same? In other words, the work done is equal to the change in K.E. of the object! This is the Work-Energy theorem or the relation between Kinetic energy and Work done. In other words, the work done on an object is the change in its kinetic energy. W = […]

What is meant by one dimensional elastic collision? Two identical objects (such as billiard balls) have a one-dimensional collision in which one is initially motionless. After the collision, the moving object is stationary and the other moves with the same speed as the other originally had. Show that both momentum and kinetic energy are conserved. […]

Which of the following capacitor is polarized? Which of the following capacitors is polarized? 1) plastic-film 2) ceramic 3) mica 4) electrolytic 5) NULL What is the difference between polarized and nonpolarized capacitor? The most widely used polarized capacitor is electrolytic type. So basically the difference is change of the manufacturing process for more capacity. […]

Does speed of sound depend on pitch? The speed of sound is dependent on temperature. As the temperature of the air increases, the speed of sound in air increases. Frequency of sound and pitch are related. The higher the pitch, the greater the frequency. What is the highest possible frequency of sound? That’s about the […]

What is the full form of laser? Light amplification by stimulated emission of radiation What are the uses of laser technology? Lasers are widely used for laser material processing in manufacturing, e.g. for cutting, drilling, welding, cladding, soldering (brazing), hardening, surface treatment, marking, engraving, micromachining, pulsed laser deposition, lithography, etc. What is Laser What are […]

What makes it easier to push heavy things answer? Answer: When you push there is one component of force that adds to the weight of the body and hence there is more friction. When you pull the vertical component of force is against the weight of body and hence there is less overall friction. So […]

Why do we use 8.314 as the value for R? R = 8.314 is actually the more important value because it is expressed in SI units (note that 1 J = 1 Pa * m^3= 1 N/m^2 * m^3 = 1 N * m). What does R mean in chemistry? R group: An abbreviation for […]

Can you run jet fuel in a diesel? Jet fuel (there’s variants, but a very common one is known as Jet A) is really close to regular old diesel fuel. And, for that matter, kerosene. You can even run it straight in your diesel car or truck, though it doesn’t lubricate as well so if […]

Do neurons allow us to think? In short, our nervous systems detect what is going on around us and inside of us; they decide how we should act, alter the state of internal organs (heart rate changes, for instance), and allows us to think about and remember what is going on. To do this, it […]