Category: Physics

What are the signs of engine failure? Top Signs of Engine Failure Knocking noise. A knocking noise that comes from under the hood and rises and falls in speed with engine RPMs is most likely the sign of a failing engine bearing. Increased exhaust. Check engine light. Decreased Performance. Rough Idle. What causes a car […]

Does puberty hurt? It Doesn’t Hurt . . . It lasts for about 2 to 3 years. When that growth spurt is at its peak, some people grow 4 or more inches in a year. This growth during puberty will be the last time your body grows taller. After that, you will be at your […]

How do you calculate the coefficient? The formula for the coefficient of variation is: Coefficient of Variation = (Standard Deviation / Mean) * 100. What is the formula for coefficient of skewness? Step 1: Subtract the mode from the mean: 70.5 – 85 = -14.5. Step 2: Divide by the standard deviation: -14.5 / 19.33 […]

Whats a good 5K time for a beginner? “Then, once you’re jogging the full 5 kilometres you can work on time. For a beginner, completing a 5K run in 30mins is very good going.” The average time is between 30 to 40 minutes for a relative newbie. However, he’s keen to stress, this is very […]

What is mental age and chronological age? Mental age is based on your intellectual development, while chronological age is based on the calendar date on which you were born. If your chronological age and your mental age are the same, you are said to be of average intelligence. Gifted children have mental ages that are […]

What are the steps of cellular respiration simple? Cellular respiration is a metabolic pathway that breaks down glucose and produces ATP. The stages of cellular respiration include glycolysis, pyruvate oxidation, the citric acid or Krebs cycle, and oxidative phosphorylation. How will you describe cellular respiration in your own words? Cellular respiration is what cells do […]

Is Navionics app free? The new release of the Navionics Boating App and – App for iPhone, iPad and Android (added June 24, 2014), delivers a boatload of FREE features! Can I use Navionics without Internet? The Navionics Boating app is well … an app for Android and iOS mobile devices with the ability to […]

Why is U-235 used in nuclear power plants? Uranium is the fuel most widely used by nuclear plants for nuclear fission. Uranium is considered a nonrenewable energy source, even though it is a common metal found in rocks worldwide. Nuclear power plants use a certain kind of uranium, referred to as U-235, for fuel because […]

Which wireless mode is best for 2.4 GHz? The recommended channels to use on 2.4 Ghz are Channel 1, 6 & 11. As can be seen in the above diagram, these channels do not overlap into each other. In general 2.4 Ghz should be considered a legacy band for older devices that do not support […]

Why sky is red during sunrise and sunset? Within the visible range of light, red light waves are scattered the least by atmospheric gas molecules. So at sunrise and sunset, when the sunlight travels a long path through the atmosphere to reach our eyes, the blue light has been mostly removed, leaving mostly red and […]