What is a high pitch or low pitch? A high pitch sound corresponds to a high frequency sound wave and a low pitch sound corresponds to a low frequency sound wave. Amazingly, many people, especially those who have been musically trained, are capable of detecting a difference in frequency between two separate sounds that is […]
Is VX and VY constant?
Is VX and VY constant? Here are some formulas that describe projectile motion: Thus the vertical velocity (Vy) is continually increasing. The horizontal velocity (Vx) remains constant and is equal to Vxo. If an object is pointed at an angle, the motion is essentially the same except that there is now an initial vertical velocity […]
How can we conserve water in our school?
How can we conserve water in our school? How can students save water at school? Simple Actions = Big Water Savings Carry a refillable water bottle. Skip the tray in the lunch line and use only one plate. Turn off the water when washing your hands. Report leaks to the appropriate authorities. In labs and […]
What kind of image is formed with a pinhole camera?
What do I mix to get black?
Why are batteries called AA?
Why are batteries called AA? But the most significant difference is size because batteries are called AA & AAA because of their size and dimension. AA doesn’t stand for anything. It is simply an identifier for a battery of given dimensions and nominal voltage. Are C batteries the same as AA? AA batteries are the […]
What is a solubility graph?
What is a solubility graph? A solubility graph is drawn to display the solubility at different temperatures. From reading a solubility graph, one can determine the mass of solute that can dissolve at specific temperatures, whether or not a solution is saturated, and compare solubilities of different substances at specific temperatures. Which of the following […]
Why are LOL dolls so sexualized?
Why are LOL dolls so sexualized? Hasbro has since pulled the doll from store shelves – but the placement of the button is disturbingly similar to grooming tactics used by child predators to normalize and desensitize kids to inappropriate touching. The dolls’ manufacturer, MGA Entertainment has issued a statement saying, “L.O.L. What is the rarest […]
How do you shift focus while filming?
How do you shift focus while filming? How to pull focus on your mirrorless camera or DLSR Switch your cameras exposure to video and manual exposure. Switch your lens to manual focus. Open the aperture as wide as it will go. Set the shutter speed for 2x framerate. Adjust the ISO to correct the exposure. […]
Is it safe to run a dehumidifier constantly all the time?
Is it safe to run a dehumidifier constantly all the time? No, it is not necessary to run your dehumidifier all the time. You should only run your unit when the humidity level is above 50 percent. Collecting water constantly with a dehumidifier does really help you maintain the temperature and relative humidity at an […]