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 […]

How current is generated? Electric current can be generated by moving a metal wire through a magnetic field. It is also different than static electricity, which is the accumulation of charges on a surface. Electric generators rotate a coil of wires through a magnetic field. How do I calculate current? Ohms Law and Power To […]

What does 3 B mean in algebra? So 3(a+b) means to multiply 3 by (a+b) What is B in algebra? In the equation of a straight line (when the equation is written as “y = mx + b”), the slope is the number “m” that is multiplied on the x, and “b” is the y-intercept […]

How long is a 20 Hz wavelength? 56.5 ft What is the relationship between speed frequency and wavelength? The relationship of the speed of sound, its frequency, and wavelength is the same as for all waves: vw = fλ, where vw is the speed of sound, f is its frequency, and λ is its wavelength. […]

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 […]

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 […]

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 […]