Category: Physics

Why is nitrogen so cold? Liquid nitrogen is so cold because of the way molecules change as a gas turns to liquid. Nitrogen doesn’t naturally occur in a liquid form here on Earth. This compression causes the gas to heat up. While keeping the pressure high we cool it down to the temperature of the […]

Should I tip a hot air balloon pilot? Should we tip our balloon pilot and chase crew? Like all service providers, a gratuity is always appreciated. A typical tip would be 10-20% of the total price. Like the saying: If you like the ride, tip your guide. How long is the average hot air balloon […]

Who defined work? In physics, work is defined as a force causing the movement—or displacement—of an object. In the case of a constant force, work is the scalar product of the force acting on an object and the displacement caused by that force. What is the classic definition of work? Work is physical or mental […]

What are the elements below and to the left of the zigzag line called? All of the transition elements are metals. Any element to the left of the zigzag line in the periodic table that runs from boron to astatine. All metals except mercury are solids at room temperature and pressure. What is the purpose […]

Which biome has the most natural fires? savanna biomes What are the two major climatic factors? The two most important factors in the climate of an area are temperature and precipitation. The yearly average temperature of the area is obviously important, but the yearly range in temperature is also important. Some areas have a much […]

Is H2O a single or double bond? Now, in water, i.e. H2O, oxygen is the central atom and can either form one double or two single bonds. We have two hydrogens which can only form single bonds. Thus, in water, oxygen is singly bonded to two hydrogen atoms. Carbon can form four bonds while oxygen […]

Why are the tides so big in England? In UK waters, high tides occur approximately every 12 hours 25 minutes. It takes 24 hours and 50 minutes (a lunar day) for the same location on Earth to re-align with the moon. This is because the moon orbits the Earth in the same direction that the […]

What if you fall in a dam? If the dam has an open discharge system with consistent flow, you might break a few ribs, bump your head, etc. If you fall down this dam, you may risk drowning and also maybe a water spilled brain, but you may actually survive because there is lots of […]

Which is better push or pull strategy? A push promotional strategy involves taking the product directly to the customer via whatever means, ensuring the customer is aware of your brand at the point of purchase. A pull strategy involves motivating customers to seek out your brand in an active process. Does Amazon use a push […]

Why do most love marriages fail? Many love marriages result in failure or ends with divorce. This is because the lack of give and take policy, misunderstanding, Ego and responsibility taking. During love, before marriage, both don’t have that much responsibility interms of their life. They will see only love with each other. Are arranged […]