Why gravity is always attractive? In the case of gravity, mediated by spin 2 particles, charge is mass, which is always positive. Thus, q1q2 is always greater than zero, and gravity is always attractive. For spin 0 force mediators, however, there is no restriction on the charges and you can very well have repulsive forces. […]
Is it OK to wear shorts in Singapore?
Is it OK to wear shorts in Singapore? Shorts. It’s not that Singapore is a prudish country or anything, but short shorts really aren’t a thing here. Regular shorts that go about mid-thigh is most appropriate, but at the very least, I would suggest not showing butt cheek or having the pockets peeking out from […]
What is meant by a Polarised wave?
What is meant by a Polarised wave? Polarized light waves are light waves in which the vibrations occur in a single plane. The process of transforming unpolarized light into polarized light is known as polarization. There are a variety of methods of polarizing light. How do you determine the polarization of a wave? In general, […]
Does moving a piano put it out of tune?
Does moving a piano put it out of tune? They’re built to withstand up to 20 tons of string tension and decades of heavy usage, so the physical movement of a piano usually has very little effect on its tuning or other adjustments. It’s the climate change associated with the move, rather than the actual […]
What is an example of stratification?
What is an example of stratification? Stratification means to sort data/people/objects into distinct groups or layers. For example, you might sort “All people in the USA” into ethnic groups, income level groups, or geographic groups. What is open and closed stratification systems? In an open system there is an opportunity to move from one social […]
What is the lowest pH possible?
Will 3 penalty points affect insurance?
Will 3 penalty points affect insurance? Penalty Points System The changes saw points for speeding, holding a mobile phone while driving, and not wearing a seat belt rise from two to three. Penalty points show up on your driving record – although not on your actual licence – and can affect your insurance premium. What […]
What is the basic difference between PERT and CPM?
What is the 3 types of elements?
What is the 3 types of elements? Elements in different groups are lumped together in one of three classes, depending on their properties. The classes are metals, nonmetals, and metalloids. Knowing the class of an element lets you predict many of its properties. What is the difference between group A and group B metals? What […]
What is the benthic zone quizlet?
What is the benthic zone quizlet? Benthic Zone. The bottom region of oceans and bodies of fresh water. How deep is the abyssal zone? The Abyssopelagic Zone (or abyssal zone) extends from 13,100 feet (4,000 meters) to 19,700 feet (6,000 meters). It is the pitch-black bottom layer of the ocean. The name (abyss) comes from […]