Is a physicist a doctor? is that physicist is a person whose occupation specializes in the science of physics, especially at a professional level while physician is a practitioner of physic, ie a specialist in internal medicine, especially as opposed to a surgeon; a practitioner who treats with medication rather than with surgery. Which degree […]
What is the Ordovician era?
What is the Ordovician era? Paleozoic What era is Silurian? How long was a day in the Ordovician? 21 hours How long was the Silurian period? It began 443.8 million years ago and ended 419.2 million years ago, extending from the close of the Ordovician Period to the beginning of the Devonian Period. What started […]
When tightening the lug nuts after attaching a spare tire How can you make sure the tire is properly aligned against the mounting surface behind it?
When tightening the lug nuts after attaching a spare tire How can you make sure the tire is properly aligned against the mounting surface behind it? Work in a criss cross pattern, tightening the nut that is almost directly opposite from the nut that you just tightened. This will ensure that the stress is applied […]
What frequency can an elephant hear but not a tiger?
What is the catenary constant?
What is the catenary constant? The catenary constant, a, is both simple and incredibly useful. Equation 1 defines this value equal to horizontal tension, FH (force) divided by cable unit weight, w (force/length). Thus, a, has corresponding units of length. What is a catenary structure? In physics or geometry, a cable or a chain hanging […]
What is partial pressure of oxygen in blood?
What is partial pressure of oxygen in blood? Partial pressure of oxygen (PaO2). This measures the pressure of oxygen dissolved in the blood and how well oxygen is able to move from the airspace of the lungs into the blood. Partial pressure of carbon dioxide (PaCO2). What causes an increase in partial pressure of CO2? […]
What happens to electrons when they pass through a light bulb?
What happens to electrons when they pass through a light bulb? The electrons enter the light bulb filament with relatively high kinetic energies. As they travel through the filament they collide with metal atoms transferring mush of their kinetic energy to the metal. This energy raises the temperature of the metal. Which energy is used […]
What is an example of point of reference?
What are the common signs of a drunk driver?
What are the common signs of a drunk driver? Common signs of driver impairment include: Smell of alcohol or drugs emanating from the vehicle or on the driver. Slurred speech. Bloodshot, watery, or glassy eyes. Jerky movement. Fine motor skills problems. Admission of alcohol consumption before driving. General confusion. Awkward balance and coordination. Can you […]
Why is Freud so important in psychology?
Why is Freud so important in psychology? Sigmund Freud (1856 to 1939) was the founding father of psychoanalysis, a method for treating mental illness and also a theory which explains human behavior. Freud believed that events in our childhood have a great influence on our adult lives, shaping our personality. Who was Sigmund Freud and […]