Why can velocity be negative but speed can t? 2 Answers. Remember that velocity and acceleration are vectors, they have a magnitude and direction. Speed, on the other hand, is a scalar quantity which only has magnitude. So yes, the negative sign indicates a slowing down. What does it mean when position is negative? In […]
What is the resistance of two resistors in parallel?
What is the resistance of two resistors in parallel? Two identical resistors in parallel have an equivalent resistance half the value of either resistor. The current splits equally between the two. Does higher ohms mean more resistance? Ohms are units of resistance. The lower the resistance of your atomizer, the larger the amount of current […]
What are the classification of measuring instruments?
What are the classification of measuring instruments? The measuring instruments may be classified as follows: Absolute instrument & Secondary instruments: Analog and Digital instrument: Mechanical, Electrical and Electronics Instruments: Deflection and Null Output Instruments: Self-operated and Power-operated Instruments: Why do we measure vibration? Vibration may influence the durability and reliability of machinery systems or structures […]
What are the disadvantages of analog communication?
What are the disadvantages of analog communication? Disadvantages of Analog Signals Analog tends to have a lower quality signal than digital. The cables are sensitive to external influences. The cost of the Analog wire is high and not easily portable. Low availability of models with digital interfaces. How are digital signals transmitted wirelessly? In short, […]
What is the output of a flashlight?
What is the output of a flashlight? The light output of an incandescent lamp in a flashlight varies widely depending on the type of lamp. A miniature keychain lamp produces one or two lumens. A two D-cell flashlight using a common prefocus-style miniature lamp will produce on the order of 15 to 20 lumens of […]
What are the factors that pose a high risk to landslide?
What are the factors that pose a high risk to landslide? Landslides can be initiated in slopes already on the verge of movement by rainfall, snowmelt, changes in water level, stream erosion, changes in ground water, earthquakes, volcanic activity, disturbance by human activities, or any combination of these factors. What is the meaning of landslide? […]
Where are lipids found in food?
Where are lipids found in food? Introduction. In foods, lipids are mainly found in the form of triacylglycerols (triacylglycerides) (TAG), which make up to 99% of lipids of plant and animal origin (Fennema, 1996). Phospholipids (PL) are important structural lipids in foods and cell membranes. Where are lipids and oils found in a plant? Essential […]
What is the process of how the solar system began?
What is the process of how the solar system began? Formation. Our solar system formed about 4.5 billion years ago from a dense cloud of interstellar gas and dust. The cloud collapsed, possibly due to the shockwave of a nearby exploding star, called a supernova. When this dust cloud collapsed, it formed a solar nebula—a […]
What are the advantages if you are fully equipped with 21st century skills?
What are the advantages if you are fully equipped with 21st century skills? Skills like communication, critical thinking and EQ go beyond the workplace: they can help people through the most difficult times of their life. Finding your passion, doing it well, having a sense of purpose and focus, and being able to control your […]
What is a TimeSpan C#?
What is a TimeSpan C#? C# TimeSpan struct represents a time interval that is difference between two times measured in number of days, hours, minutes, and seconds. C# TimeSpan is used to compare two C# DateTime objects to find the difference between two dates. What is the meaning of short span of time? span meaning […]