Category: Physics

How do starfish get nutrients? A starfish feeds by first extending its stomach out of its mouth and over the digestible parts of its prey, such as mussels and clams. The prey tissue is partially digested externally before the soup-like “chowder” produced is drawn back into its 10 digestive glands. What do starfish eat for […]

What are the unique features of eCommerce? The characteristics of eCommerce technology Global reach. Location. Interactivity. Universal standards. Personalization and adaptation. Social technology. Information density. Wealth. What are the disadvantages of ecommerce for customers? Disadvantages of eCommerce Customers have concerns about privacy and security. Some consumers are still wary about giving out personal information, especially […]

How is Atan calculated? The Atan function is a Number Request that calculates the value (in radians) of the angle whose tangent equals a specified number (the inverse of the Tan function). To convert X from radians into degrees, multiply it by180/Pi. To get the value of Pi, type “Pi” in the formula. What is […]

What causes constellations to appear to move across the night sky? As Earth spins on its axis, we, as Earth-bound observers, spin past this background of distant stars. As Earth spins, the stars appear to move across our night sky from east to west, for the same reason that our Sun appears to “rise” in […]

What are the two types of physics? Ans: The science branch of science which deals with the interaction of energy and matter is called physics. There are Two Major Branches of Physics that are Modern and Classical Physics. Further physics sub branches are electromagnetism, Mechanics, Thermodynamics, Optics. How many physics are there? What Are the […]

Is it easier to balance a long rod with a mass? Is it easier to balance a long rod with a mass attached to it when the mass is closer to your hand or when the mass is farther away? It is easier when the mass is closer to your hand. It is equally easy […]

How do I know if my clutch cable is broken? Common symptoms of a snapped clutch cable: Clutch pedal sinks freely to the floor – When the clutch cable snaps, there will be no resistance when the pedal is pressed down. Car will not change gears – When the clutch cable snaps, there will be […]

What words do similes use? The main difference between a simile and metaphor is that a simile uses the words “like” or “as” to draw a comparison and a metaphor simply states the comparison without using “like” or “as”. An example of a simile is: She is as innocent as an angel. An example of […]

What is the specific heat of the unknown metal sample? The specific heat capacity of the unknown metal is approximately 916 J kg−1K−1, which roughly corresponds to the heat capacity of aluminium as listed in the Handbook of Chemistry and Physics. How can you identify an unknown metal? You can identify an unknown substance by […]

What traditions do Venezuelans follow on December 24th? Every year between 16 and 24 December in Caracas, Venezuela, roads are closed to traffic to let people roller skate to the early morning Christmas mass. On their way, skaters will tug on the ends of long pieces of string tied by children to their big toes […]