Category: Physics

What are the purpose of protons? The protons inside an atom’s nucleus help bind the nucleus together. They also attract the negatively charged electrons, and keep them in orbit around the nucleus. The number of protons in an atom’s nucleus determines which chemical element it is. What is the purpose of protons and neutrons? The […]

What is 1 rpm? Revolutions per minute (abbreviated rpm, RPM, rev/min, r/min, or with the notation min−1) is the number of turns in one minute. It is a unit of rotational speed or the frequency of rotation around a fixed axis. What is the formula for RPM on a lathe? The following equation is used […]

Can you bypass thermistor? Can a thermistor be bypassed till a new one is purchased? You could bypass it if you have something that would be the correct resistance; however, you cannot just jump it as it will not work. How do I know if my thermistor is bad? The most common way to know […]

How does power come into a house? Electricity is made at a generating station by huge generators. Generating stations can use wind, coal, natural gas, or water. The current is sent through transformers to increase the voltage to push the power long distances. Smaller transformers reduce the voltage again to make the power safe to […]

How many types of tundra are there? two types Where does the name tundra come from? (The word “tundra” derives from the Finnish word tunturia, meaning barren or treeless hill.) Instead, the tundra has patchy, low-to-ground vegetation consisting of small shrubs, grasses, mosses, sedges, and lichens, all of which are better adapted to withstand tundra […]

How far will a 25 Watt VHF radio transmit? For example, a 25-watt marine radio will roughly have a maximum range of 60 nautical miles (111 km) between antennas mounted on tall ships, but that same radio will only have a range of 5 nautical miles (9 km) between antennas mounted on small boats at […]

What controls the shape of the lens group of answer choices? Near the front of the eye is the ciliary body, a group of muscles and ligaments that attach to the lens. These muscles change the shape of the lens as they relax and contract. Why do doctors put a light in your eye? You’ve […]

How much does it cost to rebuild a seawall? To repair or replace a seawall, it can cost anywhere from $150-$250 per linear square foot. Who is responsible for seawall repair? One of the things that many prospective buyers don’t consider is the condition of the seawall in front of the property. The property owner […]

What is the longest bone in the human body? femur What’s the heaviest part of the body? liver What are the 10 major systems? Ten major systems include the skeletal, muscular, nervous, endocrine, cardiovascular, lymphatic, respiratory, digestive, urinary, and the reproductive system. Body functions are the physiological or psychological functions of body systems. What are […]

How much are large boulders? How much do large landscaping boulders cost? Prices for landscaping boulders vary widely depending on the type of rock, its size, and where it’s coming from. The cost of a typical stone boulder ranges from $100 per ton to $600 per ton on average. How do I put boulders in […]