Category: Physics

What is the biggest difference between geocentric model and heliocentric model? The geocentric model says that the earth is at the center of the cosmos or universe, and the planets, the sun and the moon, and the stars circles around it. The early heliocentric models consider the sun as the center, and the planets revolve […]

Why CT is connected in series? CT also need to be connected in series because than only current in the secondary winding will N times the current in primary. CT is to measure the current ( like an ammeter) so it is connected in series with the conductor carrying that current. What happens if CT […]

What is Polar vs nonpolar? Polar molecules occur when there is an electronegativity difference between the bonded atoms. Nonpolar molecules occur when electrons are shared equal between atoms of a diatomic molecule or when polar bonds in a larger molecule cancel each other out. What is an example of a polar bond? Polar bonds are […]

What are biological and environmental factors? Biological factors such as breeding behavior, care of young, time of last eating, and food storage cause changes in daily activity patterns. Similarly, environmental factors such as temperature, snow cover, food supply and disturbance caused by humans in an urban setting also cause changes in daily activity patterns. What […]

What material is very strong and tough but shows very little elongation as it absorbs energy? Kevlar Which factor would be considered when deciding upon a building material? durability, affordability, performance, all of the above. Answer: All of the above. Durability, affordability, and performance, would all be considered when deciding upon a building material. What […]

Why do radial tires look flat? Radial tires only look flat if they don’t have enough air pressure in them. What is a major disadvantage of a bias ply tire? While sidewall repair is common on bias ply tires, the fact that separate plies are used to form the sidewall of a radial tire makes […]

Why is the metric system important for science? The metric system is the preferred system of scientific units for several reasons: The majority of countries in the world employ the metric system of measurement. Because metric units are decimal-based, they are easily converted by moving the decimal point. Do hospitals use metric system? Metric standardization […]

How far can a 6ft person see? about 3 miles How far can you see at 400 feet? If you are on a light house at 200 feet above the sea level the horizon is at a distance of 17.3 statute miles….Tabel: Distance to Horizon (height in feet and distance in statute miles) Height [feet] […]

What is frame of reference in police planning? Frame of Reference – This shall based on a careful view of the matters relating to the situation for which plans are being developed. Opinions or ideas of persons who may speak with authority of the subjects and views of the police commanders, other government officials, and […]

Why we should not buy south facing house? South facing door brings in sharp energy which disturbs positive energy field of the house. That is why in Japan, Geisha houses are always facing west. North West facing door is not so bad. It can bring in health, wealth and prosperity if supported by other vastu […]