Category: Physics

What is a ABPI Doppler? Ankle brachial pressure index (ABPI) The ABPI is the ratio of the ankle systolic blood pressure to the brachial systolic blood pressure and can be measured using a sphygmomanometer and a hand held Doppler device [SIGN, 2010]. It is the most reliable way to detect arterial insufficiency. What should ABPI […]

What are the four laws of logic? The Law of Identity; 2. The Law of Contradiction; 3. The Law of Exclusion or of Excluded Middle; and, 4. The Law of Reason and Consequent, or of Sufficient Reason.” What is the use of logic in law? One use of logic in the law is motivated by […]

How does center of mass affect acceleration? By using the the center of mass as the height, moving it will affect the amount of time that the car is accelerated by gravity, which is comparable to the amount of potential energy the car had. In which situation Centre of mass has no acceleration? If the […]

What is the most important objective of lighting? Illuminating action on stage One of the most important functions of lighting design is illuminating the action on stage. Lighting is needed so that the audience can see clearly what is happening. Which light is used in 3 point lighting to get rid of shadows behind the […]

What is high price elasticity? When the value of elasticity is greater than 1.0, it suggests that the demand for the good or service is affected by the price. A value that is less than 1.0 suggests that the demand is insensitive to price, or inelastic. Are luxury goods elastic? Compared to essential goods, luxury […]

Which quantity has same unit? Answer: Momentum and impulse both has same unit Kg ms-1. What are the 3 units of work? The SI unit of work is joule (J). Joule is defined as the work done by a force of one newton causing a displacement of one meter. Sometimes, newton-metre (N-m) is also used […]

What happens when the earth moon and sun are not aligned? Partial Solar Eclipse- This happens when the sun, moon and Earth are not exactly lined up. The sun appears to have a dark shadow on only a small part of its surface. Annular Solar Eclipse- An annular eclipse happens when the moon is farthest […]

What are antacids state their role in the treatment of indigestion? Antacids are medicines that neutralise the acid in your stomach to relieve indigestion and heartburn. What is antacids & example? Antacids are medicines that neutralize stomach acid to reduce heartburn. Examples of antacids include: Aluminium hydroxide gel (Alternagel, Amphojel) Calcium carbonate (Alka-Seltzer, Tums) How […]

How many skin cells do you lose a day? Bye-Bye Skin Cells Though you can’t see it happening, every minute of the day we lose about 30,000 to 40,000 dead skin cells off the surface of our skin. So just in the time it took you to read this far, you’ve probably lost about 40,000 […]

What is load force? Force is a measure of the interaction between bodies. Force is known as a vector quantity, as it has both direction and magnitude. Load. Load is a term frequently used in engineering to mean the force exerted on a surface or body. What is the formula of load? Multiply the mass […]