Category: Physics

Why does glass amplify sound? It happens because glass resonates at frequencies we can hear. The resonant frequency of the glass changes with its thickness. When energy at that frequency meets the glass, it causes the glass to vibrate like a drum head. How do you physically amplify sound? Untitled Document. Sounds can be made […]

What is difference between PCT and DCT? PCT occurs after the Bowman’s capsule while DCT occurs after the loop of Henle. PCT is mainly involved in the reabsorption whereas secretion occurs in the DCT. The main difference between PCT and DCT is that PCT is the function of each part in the nephron. Which is […]

Is ear popping a good sign? Having clogged ears can be uncomfortable and may muffle your hearing. When this happens, popping your ears may help. Popping your ears is generally safe. It usually requires little more than moving your mouth muscles. Is ear popping a sign of infection? When doctors refer to an ear infection, […]

What does it mean to find the inverse of a function? An inverse function is a function that undoes the action of the another function. A function g is the inverse of a function f if whenever y=f(x) then x=g(y). In other words, applying f and then g is the same thing as doing nothing. […]

What are the 4 types of assessment? A Guide to Types of Assessment: Diagnostic, Formative, Interim, and Summative. What are the examples of assessment tools? Examples of assessment tools Research Paper Rubric. Checklist. Search Report Process Guide. Evaluation of Instruction. Evaluation of Critiques of Scientific Articles. Evaluation of Lab Reports. Grading Guide. Poster Presentation Rubric. […]

Can a population increase even though its growth rate is decreasing? Not only the population itself was growing, but also the doubling time was decreasing, which basically means that growth itself was growing. This rapid growth increase was mainly caused by a decreasing death rate (more rapidly than birth rate), and particularly an increase in […]

How does inertia apply to bowling? The inertia of the bowling ball, when rolled down the lane, will resist the change in its motion. The ball will continue to roll until acted upon by a greater force. When a ball is rolled down a carpet lane with nothing in its way, the ball will come […]

When would you use a perspective view? Answer: You would use isometric when drawing things from above, like a house plan, while perspective is used to show what the object’s entire design appears to be. What is drawing in perspective? Perspective is what gives a three-dimensional feeling to a flat image such as a drawing […]

Can melted butter be refrigerated again? To retain its color, texture and hardness you must keep it in the fridge or in a very cool room. If you have leftover melted butter from a cooking or baking project you can put it back in the fridge and it will harden, but it will also remain […]

What do you call the problem in a story? CONFLICT. Every story has a conflict to solve. The plot is centered on this conflict and the ways in which the characters attempt to resolve the problem. When the story’s action becomes most exciting, right before the resolution, it is called the climax. What is a […]