Category: Physics

Do you need a male and female apple tree to get fruit? Pollinating Apple Tree Flowers Like all fruit trees, apples need to be pollinated if they are to set fruit. This involves the transfer of pollen from the stamen (the male part of the flower) to the stigma (the female part). How many years […]

What does 0.0 mean? Surprise What does the car sticker 0.0 mean? Three types of people have the 0.0 bumper sticker: Very serious endurance athletes who think that bragging about completing a marathon is ridiculous. This could be road bicycle racers, ultra-runners, distance swimmers, triathletes, or simply serious runners who know their place. What does […]

What 3 word parts are in antibiotic? The three primary word elements are prefixes, roots and suffixes. What are the four types of word parts? There are a total of four different word parts, and any given medical term may contain one, some, or all of these parts. We will classify these word parts as: […]

What does G pair with in DNA? The rules of base pairing (or nucleotide pairing) are: A with T: the purine adenine (A) always pairs with the pyrimidine thymine (T) C with G: the pyrimidine cytosine (C) always pairs with the purine guanine (G) Is DNA base 2 or base 4? DNA is more 2-based […]

Are cathodes positive? The anode is the electrode where electricity moves into. The cathode is the electrode where electricity is given out or flows out of. The anode is usually the positive side. A cathode is a negative side. Is cathode positive or negative in battery? The electrode of a battery that releases electrons during […]

How much does it cost to make your home energy independent? A home energy audit costs anywhere from $100 to $1,650 with an average of $416. Most homeowners spend between $206 and $676. You’ll spend anywhere from $0.08 to $0.50 per square foot with a minimum of $100 to $200. How much does a self […]

How do you calculate a pulley system? To calculate the mechanical advantage of a pulley you simply have to count the number of rope sections that support whatever object you are lifting (not counting the rope that is attached to the effort). For example, in a one pulley system the MA is 1. In a […]

What does a circle around a weather station mean? A small circle is plotted on the map at the location where the weather measurements were made. The circle can be filled in to indicate the amount of cloud cover. Positions are reserved above and below the center circle for special symbols that represent different types […]

Are hot crusts more or less dense? It can get quite hot deep in the Earth’s crust. In fact, it can get so hot that the rocks that make up the crust can actually begin to melt. This molten material is called magma. It is less dense than the surrounding rock so it tends to […]

Are fault lines dangerous? Major active faults such as the Hayward Fault are associated with many hazards. The most obvious hazard is that of large earthquakes, which induce ground shaking over a large area that can cause heavy objects to fall and windows to shatter, and can cause structural damage to buildings and bridges. How […]