Category: Physics

What are the stages of stars? 7 Main Stages of a Star A Giant Gas Cloud. A star begins life as a large cloud of gas. A Protostar Is a Baby Star. The T-Tauri Phase. Main Sequence Stars. Expansion into Red Giant. Fusion of Heavier Elements. Supernovae and Planetary Nebulae. What is the first stage […]

What happens if we stop Pedalling while riding a bicycle? What happens when we ride a bicycle? When we stop pedalling, the bicycle begins to slow down. This is again because of the friction forces acting opposite to the direction of motion. And the change in its speed (or in the direction of motion) would […]

Can you convert LPM to PSI? There is no conversion from liter/hour to psi. A flow gauge and a regulator may or may not be the same piece of equipment. How do you convert LPM to m3 s? Conversion chart – Liters per minute to cubic meters per second Liter per minute to cubic meters […]

Is CaI2 a covalent bond? Answer. Calcium iodide (chemical formula CaI2) is the ionic compound of calcium and iodine. Its properties are similar to those for related salts, such as calcium chloride. Does NaOH have a covalent bond? The lewis structure of NaOH is shown below: In each hydroxide ion the Oxygen atom and the […]

Which body system main function gives shape to and protect the body? The skeletal system works as a support structure for your body. It gives the body its shape, allows movement, makes blood cells, provides protection for organs and stores minerals. The skeletal system is also called the musculoskeletal system. What are the 4 major […]

How do you calculate Bxc? a x (b x c) = (a x b) x c. For example, if the three vectors are considered as position vectors, with the origin as a common end-point, then a x (b x c) is perpendicular to both a and b x c, the latter of which is already […]

How many founding fathers had slaves? Thomas Jefferson—despite once calling slavery an “assemblage of horrors”—owned at least 175 enslaved workers at one time. James Madison, James Monroe and Andrew Jackson each kept several dozen enslaved workers, and Martin Van Buren owned one during his early career. Why did the Founding Fathers fail to eliminate slavery? […]

Can pitch in? to start to do something as part of a group, especially something helpful: If we all pitch in together, it shouldn’t take too long. [ + to infinitive ] When I bought this house, all my friends pitched in to help fix it up. What is pitch in English subject? Pitch, in […]

Which statement best describes what happens when a sound source is moving? Which statement best describes what happens when a sound source is moving? As the sound source approaches the observer, the pitch decreases and continues to do so as it passes the observer. As the sound approaches the observer, the pitch increases; as it […]

What is the Doppler effect in simple terms? The Doppler effect, or Doppler shift, describes the changes in frequency of any kind of sound or light wave produced by a moving source with respect to an observer. Waves emitted by an object traveling toward an observer get compressed — prompting a higher frequency — as […]