Category: Physics

What is the disadvantage of greenhouse? The Disadvantages of a Greenhouse: Can be expensive to heat. Requires constant monitoring, maintenance and care. Could increase electrical and water bills. May detract from aesthetic appeal of a garden. What are the advantages and disadvantages of greenhouse farming? Greenhouse farming 101: Advantages & disadvantages The advantages of greenhouse […]

Are we ever really touching anything? The nerve cells that make up our body send signals to our brain that tell us that we are physically touching something. When the touch is merely given to us by our electron’s interaction, the electromagnetic field permeating spacetime (the medium electron waves propagate through). What happens when 2 […]

What is the degree of freedom of a polyatomic gas? 6 degrees What is degree of freedom of water? The water molecule is build from one oxygen atom and two hydrogen atoms. The molecule has three degrees of vibrational and rotational freedom. The three figures beneath show the 3 possible vibrational motions. Normal modes involve […]

What does Mrs Mallard do when she hears that her husband is on the list of killed? When was The Story of an Hour first published? What is the name of Louise’s sister? What does Louise do when he hears that her husband’s name is on the list of “killed?” She weeps and goes to […]

How do you calculate the velocity of a rocket? Δ v = u ln ( m i m ) . This result is called the rocket equation. It was originally derived by the Soviet physicist Konstantin Tsiolkovsky in 1897. It gives us the change of velocity that the rocket obtains from burning a mass of […]

What are the two types of Arc? A chord, a central angle or an inscribed angle may divide a circle into two arcs. The smaller of the two arcs is called the minor arc. The larger of the two arcs is called the major arc. In the illustrations below the circle is divided into two […]

What happens when both sides of the tug of war rope are equal in force what is the net force in this scenario Brainly? Explanation: Tug of war is a game where by there are two sides pulling a rope. So, if both sides applied equal forces. So the net force is zero. Why are […]

What are the three basic areas of adulthood? Adulthood begins around 20 years old and has three distinct stages: early, middle, and late. Why is the age 30 transition? ‘ Enter the Age 30 Transition. This transition offers individuals the opportunity to address the flaws in the first life structure they’ve built, and bring it […]

What is a cycle of a butterfly? The life cycle of a butterfly is truly amazing. Butterflies have four life stages, the egg, the larva (caterpillar), the pupa (chrysalis), and the adult butterfly. Each of the four stages are very unique to individual species of butterflies which is part of what makes watching and raising […]

What are the 7 barriers to effective listening? Here are seven different types of listening that can negatively impact our ability to effectively connect with and truly hear what others have to say. Evaluative listening. Self-protective listening. Assumptive listening. Judgmental listening. Affirmative listening. Defensive listening. Authoritative listening. What are three reasons why listening is difficult? […]