Category: Physics

What type of data is binary? Binary data is discrete data that can be in only one of two categories — either yes or no, 1 or 0, off or on, etc. Binary can be thought of as a special case of ordinal, nominal, count, or interval data. Binary data is a very common outcome […]

What two mechanical devices are used to isolate teeth and keep them dry? Isolation of Teeth During some procedures the teeth must be isolated to be kept dry. The three different types of isolation a dental assistant can use include cotton rolls, a dry-angle technique or a dental dam. What does it mean in dentistry […]

What volume is a standard mug? 350 ml What size is a cup of coffee? A “cup” of coffee in the US is usually 4 fluid ounces (118 mL), brewed using 5 fluid ounces (148 mL) of water. Coffee carafes used with drip coffee makers, e.g. Black and Decker models, have markings for both water […]

What are the 7 phase changes? Phase Change: Evaporation, Condensation, Freezing, Melting, Sublimation & Deposition. What are some examples of phase changes in everyday life? Everyday Examples of Physical Changes With Water An ice cube melting into water in your drink. Freezing water to make ice cubes. Boiling water evaporating. Hot shower water turning to […]

Is Touareg four-wheel drive? The Touareg comes as standard with a four-wheel drive system. It has an automatic progressively locking centre differential (with manual override), and a “low range” setting that can be activated with in-cabin controls. Why did they stop making Touareg? You could also say that VW dropped the Touareg to focus more […]

What 3 things indicate that an object is accelerating? An object accelerates when its velocity changes as a result of increasing speed, decreasing speed, or a change in direction. What are five ways an object’s motion can change? The action from a force can cause an object to move or speed up (accelerate), to slow […]

What are disadvantages of petroleum? List of the Disadvantages of Petroleum The infrastructure of the petroleum industry requires continuous maintenance. Petroleum is a significant contributor to greenhouse gas emissions. Exposure to petroleum is toxic for most life on our planet. Petroleum is a resource that nations go to war over. Is petroleum a source of […]

How far will a pump push water? The pump at ground level acts as the source of vacuum and has a theoretical lifting capability of about 30 feet (It would lift 34 feet if it could create a perfect vacuum). In practice, 25 feet is all you should design a centrifugal or jet pump to […]

How do I know if my car has a vacuum leak? Symptoms of a vacuum leak include the Check Engine light, rough idle, stalling and a hissing sound coming from the engine bay. The engine may run well at higher RPMs, but surges, runs rough and struggles to maintain stable RPMs at idle. Often, the […]

What is a disadvantage of cloning? The Cons of Cloning One of the main drawbacks of cloning is that if the original organism has genetic defects, these transfer to the clone as a copy of the original. The first clone, Dolly the sheep, born to a surrogate in 1996, was a genetic copy of a […]