How much can a block and tackle lift?

How much can a block and tackle lift? Even though a block and tackle decreases the amount of force necessary to move an object, it does not change the amount of work. For example, a block and tackle with a mechanical advantage of four will allow you to lift a 4 lb. object with only […]

Why chelate complexes are more stable?

Why chelate complexes are more stable? Complexes involving multidentate ligands are more stable than those with only unidentate ligands in them. The underlying reason for this is that each multidentate ligand displaces more than one water molecule. An increase in entropy makes the formation of the chelated complex more favourable. What is the difference between […]

What is the most powerful type of magnet?

What is the most powerful type of magnet? The strongest permanent magnets in the world are neodymium (Nd) magnets, they are made from magnetic material made from an alloy of neodymium, iron and boron to form the Nd2Fe14B structure. How does lodestone become permanent magnet? Origin. The process by which lodestone is created has long […]

What are three factors that influence alcohol absorption?

What are three factors that influence alcohol absorption? Factors affecting alcohol absorption Food. The amount and type of food present in the digestive tract has the most direct and measurable effect upon the rate of alcohol absorption. Speed of ingestion of alcohol. Cigarette smoking. Type and strength of alcohol. Gender. Stomach diseases. Physiological state. Age. […]

Why is the maximum number of valence electrons 8?

Why is the maximum number of valence electrons 8? Answer. Valence electrons are defined as electrons that are found in the outermost energy levels of an atom. As all Group VIII members have a filled valence shell, they have no tendency to react in oxidation-reduction reactions. Is 8 the maximum number of valence electrons? Generally, […]

What are the different methods of measuring weight?

What are the different methods of measuring weight? Weight is commonly measured using one of two methods. A spring scale or hydraulic or pneumatic scale measures local weight, the local force of gravity on the object (strictly apparent weight force). What instrument is used for measuring weight? mass scales What does KG stand for? The […]

How much did BP pay the survivors?

How much did BP pay the survivors? How much has the spill cost BP? In addition to the money it’s paid to Gulf Coast residents and businesses, it has paid $20 billion to settle suits brought by states and the federal government; a $4 billion fine levied by the U.S. Department of Justice; and $32 […]

Is a physicist a doctor?

Is a physicist a doctor? is that physicist is a person whose occupation specializes in the science of physics, especially at a professional level while physician is a practitioner of physic, ie a specialist in internal medicine, especially as opposed to a surgeon; a practitioner who treats with medication rather than with surgery. Which degree […]

What does triangle T stand for?

What does triangle T stand for? Answered 4 years ago. the triangle is a mathematical symbol which denotes change in a quantity . it is called delta. so delta v= final velocity -initial velocity,delta t=time during the final velocity – time during the initial velocity was recorded. 4.3K views. What is the triangle in physics […]

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