Is loudness related to frequency? Now when talking about sound waves the sound level of a noise (loudness), it is proportional to the intensity of the source. The loudness of a sound does not seem to depend on frequency. But according to the equation above, intensity DOES depend on frequency. How loud is 1000hz? Using […]
How expensive is a Slinky?
How expensive is a Slinky? Slinky was introduced, the $10. price for three is not out-of-line. Who invented Slinky? Richard T. James What slinky means? 1 : characterized by slinking : stealthily quiet slinky movements. 2 : sleek and sinuous in movement or outline especially : following the lines of the figure in a gracefully […]
Do construction workers eat on beams?
Do construction workers eat on beams? The sight of 11 Rockefeller Center construction workers casually eating lunch across a beam hanging 850 feet in the air was a hopeful look at life in the ’30s. It showed the world that New York City—and America as a whole—was still building, still progressing, and, most importantly, still […]
What are 5 PPE?
What are 5 PPE? PPE includes gloves, gowns, laboratory coats, face shields or masks, eye protection, resuscitation masks, and other protective gear such as hats and booties. What is PPE and examples? Personal protective equipment, commonly referred to as “PPE”, is equipment worn to minimize exposure to a variety of hazards. Examples of PPE include […]
What are the different type of measurement?
What are the different type of measurement? The four scales of measurement Nominal scale of measurement. The nominal scale of measurement defines the identity property of data. Ordinal scale of measurement. The ordinal scale defines data that is placed in a specific order. Interval scale of measurement. Ratio scale of measurement. What is the difference […]
What is the 2nd harmonic also referred to?
What is the 2nd harmonic also referred to? Second Harmonic Such positions are referred to as nodal positions or nodes. The lowest possible frequency at which a string could vibrate to form a standing wave pattern is known as the fundamental frequency or the first harmonic. Which generators have the lowest THD rating? The A-iPower […]
What happens when a ray of light strikes the surface of separation between the two media at right angle?
What happens when a ray of light strikes the surface of separation between the two media at right angle? What happens when a ray of light strikes the surface of separation between the two media at right angle? When light enters the boundary of two surfaces at right it passes normally without deviation. This is […]
What is the best example of a stabilization level exercise?
What is the best example of a stabilization level exercise? EXERCISES Squat Jump With Stabilization. Step-up to Balance, Curl and Overhead Press. Cable Squat. Dumbbell Chest Press. Dumbbell Row on Ball. Overhead Military Press on Ball. Single-Leg Biceps Curl. Single-Leg Triceps Extension. What is a multiplanar step up to balance an example of? A circuit […]
Do magnets get stronger if you stack them?
Do magnets get stronger if you stack them? Once a magnet is fully magnetised, it cannot be made any stronger as it is fully ‘saturated’. As more magnets are stacked together, the strength will increase until the length of the stack is equal to the diameter. After this point, any further magnets added will provide […]
What is the oldest ice core sample?
What is the oldest ice core sample? The deepest ice core records come from Antarctica and Greenland, where the very deepest ice cores extend to 3 kilometers (over two miles) in depth. The oldest continuous ice core records extend to 130,000 years in Greenland, and 800,000 years in Antarctica. What two events must occur for […]