Category: Physics

What signs do Libras like? The most compatible signs with Libra are generally considered to be Gemini, Leo, Sagittarius and Aquarius. The least compatible signs with Libra are generally considered to be Cancer and Capricorn. Comparing sun signs can give a good general idea of compatibility. Who is Libras soulmate? A Gemini is a great […]

Is the control group the independent variable? The independent variable is “controlled” or held constant in the control group. A single experiment may include multiple experimental groups, which may all be compared against the control group. The purpose of having a control is to rule out other factors which may influence the results of an […]

Which star has the shortest lifespan? red dwarfs Which star has the longest life? The stars with the longest lifetimes are red dwarfs; some may be nearly as old as the universe itself. Red Dwarf Stars. Astronomers define a red dwarf as a star having between about 0.08 and 0.5 times the mass of the […]

What is the best definition for luminosity? 1a : the quality or state of being luminous. b : something luminous. 2a : the relative quantity of light. b : relative brightness of something. How is luminosity calculated? Luminosity equation. Absolute and apparent magnitude. Calculating luminosity: an example….Luminosity equation σ is the Stefan Boltzmann constant, equal […]

Is water a molecule or compound? Water is a compound. It contains more than one element: hydrogen and oxygen atoms are joined together; as illustrated in the video clip Elements and Compounds, above. An important feature of compounds is that they are very different from the elements from which they are made. Which is not […]

How do you hand signal a right turn? For right turns, extend your left arm out the driver’s window with your elbow bent and point your hand to the sky with your palm facing forward. Again, it’s best to keep your arm in this position until you begin your right turn, just as you would […]

Who is world best name? Top Names Over the Last 100 Years Males Females Rank Name Name 1 James Mary 2 Robert Patricia 3 John Jennifer What is the cutest girl name ever? 115+ Sweet Names For Girls That Are Cute as a Button A. Addison, Adley, Agnes, Amara, Amelia, Amie, Arabella, Aria, Aspen, Aubrey, […]

What is the most common cause of a front wheel skid? Most front-wheel skids are caused by driving too fast for conditions. Other causes are lack of tread on the front tires, and cargo loaded so not enough weight is on the front axle. In a front-wheel skid, the front end tends to go in […]

What is the angle of reflection if the angle of incidence is 30 degree? Explanation: The angle between the mirror and the incident ray is 30 degrees. The sum of the angle of incidence and this angle (30) makes a right angle. So, the angle of incidence is 90 – 30 = 60 degrees. What […]

What is difference between hypothesis and prediction? Difference Between a Hypothesis and Prediction Hypothesis and prediction are both a type of guess. However, the hypothesis is an educated, testable guess in science. A prediction uses observable phenomena to make a future projection. What is the relationship between Type 1 and Type 2 error? In statistical […]